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SPF ValidatorSPF Validator

Token Usage:1 per call

SPF Validator checks the Sender Policy Framework (SPF) DNS record for a domain to verify if it’s valid and optionally whether a given IP address is authorized to send emails for that domain.

This API provides reliable and fast access to spf validator data through a simple REST interface. Built for developers who need consistent, high-quality results with minimal setup time.

To use this API, you need an API key. You can get one by creating a free account and visiting your dashboard.

View API in Directory

Endpoint

GET Request
GET https://api.apiverve.com/v1/spfvalidator

Code Examples

Here are examples of how to call this API in different programming languages:

cURL Request
curl -X GET \
  "https://api.apiverve.com/v1/spfvalidator?domain=myspace.com&ip=192.0.2.1" \
  -H "X-API-Key: your_api_key_here"
JavaScript (Fetch API)
const response = await fetch('https://api.apiverve.com/v1/spfvalidator', {
  method: 'GET',
  headers: {
    'X-API-Key': 'your_api_key_here',
    'Content-Type': 'application/json'
  }
});

const data = await response.json();
console.log(data);
Python (Requests)
import requests

headers = {
    'X-API-Key': 'your_api_key_here',
    'Content-Type': 'application/json'
}

response = requests.get('https://api.apiverve.com/v1/spfvalidator', headers=headers)

data = response.json()
print(data)
Node.js (Native HTTPS)
const https = require('https');
const url = require('url');

const options = {
  method: 'GET',
  headers: {
    'X-API-Key': 'your_api_key_here',
    'Content-Type': 'application/json'
  }
};

const req = https.request('https://api.apiverve.com/v1/spfvalidator', options, (res) => {
  let data = '';
  res.on('data', (chunk) => data += chunk);
  res.on('end', () => console.log(JSON.parse(data)));
});

req.end();
PHP (cURL)
<?php

$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, 'https://api.apiverve.com/v1/spfvalidator');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET');
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    'X-API-Key: your_api_key_here',
    'Content-Type: application/json'
]);

$response = curl_exec($ch);
curl_close($ch);

$data = json_decode($response, true);
print_r($data);

?>
Go (net/http)
package main

import (
    "fmt"
    "io"
    "net/http"

)

func main() {
    req, _ := http.NewRequest("GET", "https://api.apiverve.com/v1/spfvalidator", nil)

    req.Header.Set("X-API-Key", "your_api_key_here")
    req.Header.Set("Content-Type", "application/json")

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    body, _ := io.ReadAll(resp.Body)
    fmt.Println(string(body))
}
Ruby (Net::HTTP)
require 'net/http'
require 'json'

uri = URI('https://api.apiverve.com/v1/spfvalidator')
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true

request = Net::HTTP::Get.new(uri)
request['X-API-Key'] = 'your_api_key_here'
request['Content-Type'] = 'application/json'

response = http.request(request)
puts JSON.pretty_generate(JSON.parse(response.body))

Authentication

This API requires authentication via API key. Include your API key in the request header:

Required Header
X-API-Key: your_api_key_here

GraphQL AccessBETA

Most APIVerve APIs support GraphQL queries, allowing you to combine multiple API calls into a single request and retrieve only the data you need. This powerful feature enables you to orchestrate complex data fetching with precise field selection.

Not all APIs support GraphQL. Check the API schema or test in the GraphQL Explorer to confirm availability for this specific endpoint.

Token Cost: GraphQL requests cost 1 token for orchestration, plus the standard token cost for each API called in your query. For example, querying 3 APIs in a single GraphQL request would cost 1 + 3 = 4 tokens total.

GraphQL Endpoint
POST https://api.apiverve.com/v1/graphql
GraphQL Query Example
query {
  spfvalidator(
    input: { domain: "myspace.com" }
  ) {
    authorized_ips
    dns_lookups_num
    domains_extracted
    elapsed_ms
    has_issues
  }
}

Note: Authentication is handled via the x-api-key header in your GraphQL request, not as a query parameter.

Parameters

The following parameters are available for this API endpoint:

ParameterTypeRequiredLocationDescriptionExample
domainstringYesqueryThe domain to validate the SPF record formyspace.com

Response

The API returns responses in JSON, XML, and YAML formats:

Example Responses

JSON Response
200 OK
{
  "status": "ok",
  "error": null,
  "data": {
    "authorized_ips": {
      "ipv4": [
        "63.208.226.34",
        "204.16.32.0/22",
        "67.134.143.0/24",
        "216.205.243.0/24",
        "34.85.156.5/32",
        "35.245.108.108/32",
        "34.86.129.193/32",
        "34.86.134.94/32",
        "34.85.222.234/32",
        "34.86.176.234/32",
        "34.86.125.212/32",
        "34.85.224.60/32",
        "34.86.160.49/32",
        "35.245.64.166/32",
        "35.188.226.11/32",
        "34.86.208.228/32",
        "34.85.216.144/32",
        "35.221.22.153/32",
        "34.86.137.108/32",
        "34.86.51.35/32",
        "34.150.221.40/32",
        "34.85.216.70/32",
        "34.86.37.191/32",
        "34.85.214.215/32",
        "35.236.234.82/32",
        "34.86.161.241/32",
        "216.32.181.16",
        "216.178.32.0/20",
        "168.235.224.0/24",
        "195.130.217.0/24",
        "91.220.42.0/24",
        "146.101.78.0/24",
        "207.82.80.0/24",
        "213.167.81.0/25",
        "193.7.207.0/25",
        "213.167.75.0/25",
        "185.58.85.0/24",
        "185.58.86.0/24",
        "193.7.206.0/25",
        "147.28.36.0/24",
        "207.211.31.0/25",
        "205.139.110.0/24",
        "216.205.24.0/24",
        "170.10.129.0/24",
        "63.128.21.0/24",
        "170.10.133.0/24",
        "185.58.84.93/32",
        "207.211.41.113/32",
        "207.211.30.64/26",
        "207.211.30.128/25",
        "216.145.221.0/24",
        "170.10.128.0/24",
        "170.10.132.56/29",
        "170.10.132.64/29",
        "41.74.192.0/22",
        "41.74.200.0/23",
        "41.74.196.0/22",
        "41.74.204.0/23",
        "41.74.206.0/24",
        "51.163.158.0/24",
        "194.104.109.0/24",
        "194.104.111.0/24",
        "194.104.110.21/32",
        "194.104.110.240/28",
        "62.140.10.21/32",
        "62.140.7.0/24",
        "194.104.108.240/29",
        "194.104.108.21/32",
        "103.13.69.0/24",
        "124.47.150.0/24",
        "124.47.189.0/24",
        "103.96.23.0/24",
        "103.96.21.0/24",
        "180.189.28.0/24",
        "216.145.217.0/24",
        "103.96.22.96/28",
        "103.96.22.22/32",
        "103.96.20.22/32",
        "103.96.20.96/28",
        "170.10.145.0/24",
        "170.10.147.0/24",
        "170.10.144.126/32",
        "170.10.146.126/32",
        "170.10.144.240/29",
        "170.10.146.240/29",
        "216.145.216.0/24"
      ]
    },
    "dns_lookups_num": 8,
    "domains_extracted": [
      "myspace.com",
      "_netblocks.mimecast.com",
      "eu._netblocks.mimecast.com",
      "us._netblocks.mimecast.com",
      "za._netblocks.mimecast.com",
      "de._netblocks.mimecast.com",
      "au._netblocks.mimecast.com",
      "ca._netblocks.mimecast.com"
    ],
    "elapsed_ms": 1118,
    "has_issues": false,
    "has_spf_record": true,
    "host": "myspace.com",
    "ip_pass": false,
    "macros_found": false,
    "spf_record": "v=spf1 mx ip4:63.208.226.34 ip4:204.16.32.0/22 ip4:67.134.143.0/24 ip4:216.205.243.0/24 ip4:34.85.156.5/32 ip4:35.245.108.108/32 ip4:34.86.129.193/32 ip4:34.86.134.94/32 ip4:34.85.222.234/32 ip4:34.86.176.234/32 ip4:34.86.125.212/32 ip4:34.85.224.60/32 ip4:34.86.160.49/32 ip4:35.245.64.166/32 ip4:35.188.226.11/32 ip4:34.86.208.228/32 ip4:34.85.216.144/32 ip4:35.221.22.153/32 ip4:34.86.137.108/32 ip4:34.86.51.35/32 ip4:34.150.221.40/32 ip4:34.85.216.70/32 ip4:34.86.37.191/32 ip4:34.85.214.215/32 ip4:35.236.234.82/32 ip4:34.86.161.241/32 ip4:216.32.181.16 ip4:216.178.32.0/20 ip4:168.235.224.0/24 include:_netblocks.mimecast.com -all",
    "spf_records_list": [
      {
        "authorized_ips": {
          "ipv4": [
            "63.208.226.34",
            "204.16.32.0/22",
            "67.134.143.0/24",
            "216.205.243.0/24",
            "34.85.156.5/32",
            "35.245.108.108/32",
            "34.86.129.193/32",
            "34.86.134.94/32",
            "34.85.222.234/32",
            "34.86.176.234/32",
            "34.86.125.212/32",
            "34.85.224.60/32",
            "34.86.160.49/32",
            "35.245.64.166/32",
            "35.188.226.11/32",
            "34.86.208.228/32",
            "34.85.216.144/32",
            "35.221.22.153/32",
            "34.86.137.108/32",
            "34.86.51.35/32",
            "34.150.221.40/32",
            "34.85.216.70/32",
            "34.86.37.191/32",
            "34.85.214.215/32",
            "35.236.234.82/32",
            "34.86.161.241/32",
            "216.32.181.16",
            "216.178.32.0/20",
            "168.235.224.0/24"
          ]
        },
        "chars_num": 637,
        "domains": [
          "_netblocks.mimecast.com"
        ],
        "origin": "myspace.com",
        "record": "v=spf1 mx ip4:63.208.226.34 ip4:204.16.32.0/22 ip4:67.134.143.0/24 ip4:216.205.243.0/24 ip4:34.85.156.5/32 ip4:35.245.108.108/32 ip4:34.86.129.193/32 ip4:34.86.134.94/32 ip4:34.85.222.234/32 ip4:34.86.176.234/32 ip4:34.86.125.212/32 ip4:34.85.224.60/32 ip4:34.86.160.49/32 ip4:35.245.64.166/32 ip4:35.188.226.11/32 ip4:34.86.208.228/32 ip4:34.85.216.144/32 ip4:35.221.22.153/32 ip4:34.86.137.108/32 ip4:34.86.51.35/32 ip4:34.150.221.40/32 ip4:34.85.216.70/32 ip4:34.86.37.191/32 ip4:34.85.214.215/32 ip4:35.236.234.82/32 ip4:34.86.161.241/32 ip4:216.32.181.16 ip4:216.178.32.0/20 ip4:168.235.224.0/24 include:_netblocks.mimecast.com -all",
        "use_macro": false
      },
      {
        "chars_num": 221,
        "domains": [
          "eu._netblocks.mimecast.com",
          "us._netblocks.mimecast.com",
          "za._netblocks.mimecast.com",
          "de._netblocks.mimecast.com",
          "au._netblocks.mimecast.com",
          "ca._netblocks.mimecast.com"
        ],
        "origin": "_netblocks.mimecast.com",
        "record": "v=spf1 include:eu._netblocks.mimecast.com include:us._netblocks.mimecast.com include:za._netblocks.mimecast.com include:de._netblocks.mimecast.com include:au._netblocks.mimecast.com include:ca._netblocks.mimecast.com ~all",
        "use_macro": false
      },
      {
        "authorized_ips": {
          "ipv4": [
            "195.130.217.0/24",
            "91.220.42.0/24",
            "146.101.78.0/24",
            "207.82.80.0/24",
            "213.167.81.0/25",
            "193.7.207.0/25",
            "213.167.75.0/25",
            "185.58.85.0/24",
            "185.58.86.0/24",
            "193.7.206.0/25",
            "147.28.36.0/24"
          ]
        },
        "chars_num": 225,
        "origin": "eu._netblocks.mimecast.com",
        "record": "v=spf1 ip4:195.130.217.0/24 ip4:91.220.42.0/24 ip4:146.101.78.0/24 ip4:207.82.80.0/24 ip4:213.167.81.0/25 ip4:193.7.207.0/25 ip4:213.167.75.0/25 ip4:185.58.85.0/24 ip4:185.58.86.0/24 ip4:193.7.206.0/25 ip4:147.28.36.0/24 ~all",
        "use_macro": false
      },
      {
        "authorized_ips": {
          "ipv4": [
            "207.211.31.0/25",
            "205.139.110.0/24",
            "216.205.24.0/24",
            "170.10.129.0/24",
            "63.128.21.0/24",
            "170.10.133.0/24",
            "185.58.84.93/32",
            "207.211.41.113/32",
            "207.211.30.64/26",
            "207.211.30.128/25",
            "216.145.221.0/24",
            "170.10.128.0/24",
            "170.10.132.56/29",
            "170.10.132.64/29"
          ]
        },
        "chars_num": 299,
        "origin": "us._netblocks.mimecast.com",
        "record": "v=spf1 ip4:207.211.31.0/25 ip4:205.139.110.0/24 ip4:216.205.24.0/24 ip4:170.10.129.0/24 ip4:63.128.21.0/24 ip4:170.10.133.0/24 ip4:185.58.84.93/32 ip4:207.211.41.113/32 ip4:207.211.30.64/26 ip4:207.211.30.128/25 ip4:216.145.221.0/24 ip4:170.10.128.0/24 ip4:170.10.132.56/29 ip4:170.10.132.64/29 ~all",
        "use_macro": false
      },
      {
        "authorized_ips": {
          "ipv4": [
            "41.74.192.0/22",
            "41.74.200.0/23",
            "41.74.196.0/22",
            "41.74.204.0/23",
            "41.74.206.0/24"
          ]
        },
        "chars_num": 106,
        "origin": "za._netblocks.mimecast.com",
        "record": "v=spf1 ip4:41.74.192.0/22 ip4:41.74.200.0/23 ip4:41.74.196.0/22 ip4:41.74.204.0/23 ip4:41.74.206.0/24 ~all",
        "use_macro": false
      },
      {
        "authorized_ips": {
          "ipv4": [
            "51.163.158.0/24",
            "194.104.109.0/24",
            "194.104.111.0/24",
            "194.104.110.21/32",
            "194.104.110.240/28",
            "62.140.10.21/32",
            "62.140.7.0/24",
            "194.104.108.240/29",
            "194.104.108.21/32"
          ]
        },
        "chars_num": 201,
        "origin": "de._netblocks.mimecast.com",
        "record": "v=spf1 ip4:51.163.158.0/24 ip4:194.104.109.0/24 ip4:194.104.111.0/24 ip4:194.104.110.21/32 ip4:194.104.110.240/28 ip4:62.140.10.21/32 ip4:62.140.7.0/24 ip4:194.104.108.240/29 ip4:194.104.108.21/32 ~all",
        "use_macro": false
      },
      {
        "authorized_ips": {
          "ipv4": [
            "103.13.69.0/24",
            "124.47.150.0/24",
            "124.47.189.0/24",
            "103.96.23.0/24",
            "103.96.21.0/24",
            "180.189.28.0/24",
            "216.145.217.0/24",
            "103.96.22.96/28",
            "103.96.22.22/32",
            "103.96.20.22/32",
            "103.96.20.96/28"
          ]
        },
        "chars_num": 229,
        "origin": "au._netblocks.mimecast.com",
        "record": "v=spf1 ip4:103.13.69.0/24 ip4:124.47.150.0/24 ip4:124.47.189.0/24 ip4:103.96.23.0/24 ip4:103.96.21.0/24 ip4:180.189.28.0/24 ip4:216.145.217.0/24 ip4:103.96.22.96/28 ip4:103.96.22.22/32 ip4:103.96.20.22/32 ip4:103.96.20.96/28 ~all",
        "use_macro": false
      },
      {
        "authorized_ips": {
          "ipv4": [
            "170.10.145.0/24",
            "170.10.147.0/24",
            "170.10.144.126/32",
            "170.10.146.126/32",
            "170.10.144.240/29",
            "170.10.146.240/29",
            "216.145.216.0/24"
          ]
        },
        "chars_num": 160,
        "origin": "ca._netblocks.mimecast.com",
        "record": "v=spf1 ip4:170.10.145.0/24 ip4:170.10.147.0/24 ip4:170.10.144.126/32 ip4:170.10.146.126/32 ip4:170.10.144.240/29 ip4:170.10.146.240/29 ip4:216.145.216.0/24 ~all",
        "use_macro": false
      }
    ],
    "spf_valid": true
  }
}
XML Response
200 OK
<Root>
  <status>ok</status>
  <error />
  <data>
    <authorized_ips>
      <ipv4>63.208.226.34</ipv4>
      <ipv4>204.16.32.0/22</ipv4>
      <ipv4>67.134.143.0/24</ipv4>
      <ipv4>216.205.243.0/24</ipv4>
      <ipv4>34.85.156.5/32</ipv4>
      <ipv4>35.245.108.108/32</ipv4>
      <ipv4>34.86.129.193/32</ipv4>
      <ipv4>34.86.134.94/32</ipv4>
      <ipv4>34.85.222.234/32</ipv4>
      <ipv4>34.86.176.234/32</ipv4>
      <ipv4>34.86.125.212/32</ipv4>
      <ipv4>34.85.224.60/32</ipv4>
      <ipv4>34.86.160.49/32</ipv4>
      <ipv4>35.245.64.166/32</ipv4>
      <ipv4>35.188.226.11/32</ipv4>
      <ipv4>34.86.208.228/32</ipv4>
      <ipv4>34.85.216.144/32</ipv4>
      <ipv4>35.221.22.153/32</ipv4>
      <ipv4>34.86.137.108/32</ipv4>
      <ipv4>34.86.51.35/32</ipv4>
      <ipv4>34.150.221.40/32</ipv4>
      <ipv4>34.85.216.70/32</ipv4>
      <ipv4>34.86.37.191/32</ipv4>
      <ipv4>34.85.214.215/32</ipv4>
      <ipv4>35.236.234.82/32</ipv4>
      <ipv4>34.86.161.241/32</ipv4>
      <ipv4>216.32.181.16</ipv4>
      <ipv4>216.178.32.0/20</ipv4>
      <ipv4>168.235.224.0/24</ipv4>
      <ipv4>195.130.217.0/24</ipv4>
      <ipv4>91.220.42.0/24</ipv4>
      <ipv4>146.101.78.0/24</ipv4>
      <ipv4>207.82.80.0/24</ipv4>
      <ipv4>213.167.81.0/25</ipv4>
      <ipv4>193.7.207.0/25</ipv4>
      <ipv4>213.167.75.0/25</ipv4>
      <ipv4>185.58.85.0/24</ipv4>
      <ipv4>185.58.86.0/24</ipv4>
      <ipv4>193.7.206.0/25</ipv4>
      <ipv4>147.28.36.0/24</ipv4>
      <ipv4>207.211.31.0/25</ipv4>
      <ipv4>205.139.110.0/24</ipv4>
      <ipv4>216.205.24.0/24</ipv4>
      <ipv4>170.10.129.0/24</ipv4>
      <ipv4>63.128.21.0/24</ipv4>
      <ipv4>170.10.133.0/24</ipv4>
      <ipv4>185.58.84.93/32</ipv4>
      <ipv4>207.211.41.113/32</ipv4>
      <ipv4>207.211.30.64/26</ipv4>
      <ipv4>207.211.30.128/25</ipv4>
      <ipv4>216.145.221.0/24</ipv4>
      <ipv4>170.10.128.0/24</ipv4>
      <ipv4>170.10.132.56/29</ipv4>
      <ipv4>170.10.132.64/29</ipv4>
      <ipv4>41.74.192.0/22</ipv4>
      <ipv4>41.74.200.0/23</ipv4>
      <ipv4>41.74.196.0/22</ipv4>
      <ipv4>41.74.204.0/23</ipv4>
      <ipv4>41.74.206.0/24</ipv4>
      <ipv4>51.163.158.0/24</ipv4>
      <ipv4>194.104.109.0/24</ipv4>
      <ipv4>194.104.111.0/24</ipv4>
      <ipv4>194.104.110.21/32</ipv4>
      <ipv4>194.104.110.240/28</ipv4>
      <ipv4>62.140.10.21/32</ipv4>
      <ipv4>62.140.7.0/24</ipv4>
      <ipv4>194.104.108.240/29</ipv4>
      <ipv4>194.104.108.21/32</ipv4>
      <ipv4>103.13.69.0/24</ipv4>
      <ipv4>124.47.150.0/24</ipv4>
      <ipv4>124.47.189.0/24</ipv4>
      <ipv4>103.96.23.0/24</ipv4>
      <ipv4>103.96.21.0/24</ipv4>
      <ipv4>180.189.28.0/24</ipv4>
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      <ipv4>103.96.22.22/32</ipv4>
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    <domains_extracted>eu._netblocks.mimecast.com</domains_extracted>
    <domains_extracted>us._netblocks.mimecast.com</domains_extracted>
    <domains_extracted>za._netblocks.mimecast.com</domains_extracted>
    <domains_extracted>de._netblocks.mimecast.com</domains_extracted>
    <domains_extracted>au._netblocks.mimecast.com</domains_extracted>
    <domains_extracted>ca._netblocks.mimecast.com</domains_extracted>
    <elapsed_ms>1118</elapsed_ms>
    <has_issues>false</has_issues>
    <has_spf_record>true</has_spf_record>
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    <ip_pass>false</ip_pass>
    <macros_found>false</macros_found>
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    <spf_records_list>
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      <chars_num>637</chars_num>
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      <use_macro>false</use_macro>
    </spf_records_list>
    <spf_records_list>
      <chars_num>221</chars_num>
      <domains>eu._netblocks.mimecast.com</domains>
      <domains>us._netblocks.mimecast.com</domains>
      <domains>za._netblocks.mimecast.com</domains>
      <domains>de._netblocks.mimecast.com</domains>
      <domains>au._netblocks.mimecast.com</domains>
      <domains>ca._netblocks.mimecast.com</domains>
      <origin>_netblocks.mimecast.com</origin>
      <record>v=spf1 include:eu._netblocks.mimecast.com include:us._netblocks.mimecast.com include:za._netblocks.mimecast.com include:de._netblocks.mimecast.com include:au._netblocks.mimecast.com include:ca._netblocks.mimecast.com ~all</record>
      <use_macro>false</use_macro>
    </spf_records_list>
    <spf_records_list>
      <authorized_ips>
        <ipv4>195.130.217.0/24</ipv4>
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        <ipv4>146.101.78.0/24</ipv4>
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        <ipv4>213.167.81.0/25</ipv4>
        <ipv4>193.7.207.0/25</ipv4>
        <ipv4>213.167.75.0/25</ipv4>
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      </authorized_ips>
      <chars_num>225</chars_num>
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      <use_macro>false</use_macro>
    </spf_records_list>
    <spf_records_list>
      <authorized_ips>
        <ipv4>207.211.31.0/25</ipv4>
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        <ipv4>170.10.132.64/29</ipv4>
      </authorized_ips>
      <chars_num>299</chars_num>
      <origin>us._netblocks.mimecast.com</origin>
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      <use_macro>false</use_macro>
    </spf_records_list>
    <spf_records_list>
      <authorized_ips>
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        <ipv4>41.74.200.0/23</ipv4>
        <ipv4>41.74.196.0/22</ipv4>
        <ipv4>41.74.204.0/23</ipv4>
        <ipv4>41.74.206.0/24</ipv4>
      </authorized_ips>
      <chars_num>106</chars_num>
      <origin>za._netblocks.mimecast.com</origin>
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      <use_macro>false</use_macro>
    </spf_records_list>
    <spf_records_list>
      <authorized_ips>
        <ipv4>51.163.158.0/24</ipv4>
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        <ipv4>62.140.7.0/24</ipv4>
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        <ipv4>194.104.108.21/32</ipv4>
      </authorized_ips>
      <chars_num>201</chars_num>
      <origin>de._netblocks.mimecast.com</origin>
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      <use_macro>false</use_macro>
    </spf_records_list>
    <spf_records_list>
      <authorized_ips>
        <ipv4>103.13.69.0/24</ipv4>
        <ipv4>124.47.150.0/24</ipv4>
        <ipv4>124.47.189.0/24</ipv4>
        <ipv4>103.96.23.0/24</ipv4>
        <ipv4>103.96.21.0/24</ipv4>
        <ipv4>180.189.28.0/24</ipv4>
        <ipv4>216.145.217.0/24</ipv4>
        <ipv4>103.96.22.96/28</ipv4>
        <ipv4>103.96.22.22/32</ipv4>
        <ipv4>103.96.20.22/32</ipv4>
        <ipv4>103.96.20.96/28</ipv4>
      </authorized_ips>
      <chars_num>229</chars_num>
      <origin>au._netblocks.mimecast.com</origin>
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      <use_macro>false</use_macro>
    </spf_records_list>
    <spf_records_list>
      <authorized_ips>
        <ipv4>170.10.145.0/24</ipv4>
        <ipv4>170.10.147.0/24</ipv4>
        <ipv4>170.10.144.126/32</ipv4>
        <ipv4>170.10.146.126/32</ipv4>
        <ipv4>170.10.144.240/29</ipv4>
        <ipv4>170.10.146.240/29</ipv4>
        <ipv4>216.145.216.0/24</ipv4>
      </authorized_ips>
      <chars_num>160</chars_num>
      <origin>ca._netblocks.mimecast.com</origin>
      <record>v=spf1 ip4:170.10.145.0/24 ip4:170.10.147.0/24 ip4:170.10.144.126/32 ip4:170.10.146.126/32 ip4:170.10.144.240/29 ip4:170.10.146.240/29 ip4:216.145.216.0/24 ~all</record>
      <use_macro>false</use_macro>
    </spf_records_list>
    <spf_valid>true</spf_valid>
  </data>
</Root>
YAML Response
200 OK
status: ok
error: 
data:
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    - 204.16.32.0/22
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    - 216.205.243.0/24
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    - 216.32.181.16
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    - 185.58.84.93/32
    - 207.211.41.113/32
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    - 216.145.221.0/24
    - 170.10.128.0/24
    - 170.10.132.56/29
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    - 41.74.192.0/22
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    - 41.74.206.0/24
    - 51.163.158.0/24
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    - 194.104.110.21/32
    - 194.104.110.240/28
    - 62.140.10.21/32
    - 62.140.7.0/24
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    - 194.104.108.21/32
    - 103.13.69.0/24
    - 124.47.150.0/24
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    - 103.96.23.0/24
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    - 103.96.22.96/28
    - 103.96.22.22/32
    - 103.96.20.22/32
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    - 170.10.145.0/24
    - 170.10.147.0/24
    - 170.10.144.126/32
    - 170.10.146.126/32
    - 170.10.144.240/29
    - 170.10.146.240/29
    - 216.145.216.0/24
  dns_lookups_num: 8
  domains_extracted:
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  - _netblocks.mimecast.com
  - eu._netblocks.mimecast.com
  - us._netblocks.mimecast.com
  - za._netblocks.mimecast.com
  - de._netblocks.mimecast.com
  - au._netblocks.mimecast.com
  - ca._netblocks.mimecast.com
  elapsed_ms: 1118
  has_issues: false
  has_spf_record: true
  host: myspace.com
  ip_pass: false
  macros_found: false
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  spf_records_list:
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      - 34.85.156.5/32
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      - 216.32.181.16
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      - 168.235.224.0/24
    chars_num: 637
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    use_macro: false
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    domains:
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    - za._netblocks.mimecast.com
    - de._netblocks.mimecast.com
    - au._netblocks.mimecast.com
    - ca._netblocks.mimecast.com
    origin: _netblocks.mimecast.com
    record: v=spf1 include:eu._netblocks.mimecast.com include:us._netblocks.mimecast.com include:za._netblocks.mimecast.com include:de._netblocks.mimecast.com include:au._netblocks.mimecast.com include:ca._netblocks.mimecast.com ~all
    use_macro: false
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    chars_num: 225
    origin: eu._netblocks.mimecast.com
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    use_macro: false
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    chars_num: 299
    origin: us._netblocks.mimecast.com
    record: v=spf1 ip4:207.211.31.0/25 ip4:205.139.110.0/24 ip4:216.205.24.0/24 ip4:170.10.129.0/24 ip4:63.128.21.0/24 ip4:170.10.133.0/24 ip4:185.58.84.93/32 ip4:207.211.41.113/32 ip4:207.211.30.64/26 ip4:207.211.30.128/25 ip4:216.145.221.0/24 ip4:170.10.128.0/24 ip4:170.10.132.56/29 ip4:170.10.132.64/29 ~all
    use_macro: false
  - authorized_ips:
      ipv4:
      - 41.74.192.0/22
      - 41.74.200.0/23
      - 41.74.196.0/22
      - 41.74.204.0/23
      - 41.74.206.0/24
    chars_num: 106
    origin: za._netblocks.mimecast.com
    record: v=spf1 ip4:41.74.192.0/22 ip4:41.74.200.0/23 ip4:41.74.196.0/22 ip4:41.74.204.0/23 ip4:41.74.206.0/24 ~all
    use_macro: false
  - authorized_ips:
      ipv4:
      - 51.163.158.0/24
      - 194.104.109.0/24
      - 194.104.111.0/24
      - 194.104.110.21/32
      - 194.104.110.240/28
      - 62.140.10.21/32
      - 62.140.7.0/24
      - 194.104.108.240/29
      - 194.104.108.21/32
    chars_num: 201
    origin: de._netblocks.mimecast.com
    record: v=spf1 ip4:51.163.158.0/24 ip4:194.104.109.0/24 ip4:194.104.111.0/24 ip4:194.104.110.21/32 ip4:194.104.110.240/28 ip4:62.140.10.21/32 ip4:62.140.7.0/24 ip4:194.104.108.240/29 ip4:194.104.108.21/32 ~all
    use_macro: false
  - authorized_ips:
      ipv4:
      - 103.13.69.0/24
      - 124.47.150.0/24
      - 124.47.189.0/24
      - 103.96.23.0/24
      - 103.96.21.0/24
      - 180.189.28.0/24
      - 216.145.217.0/24
      - 103.96.22.96/28
      - 103.96.22.22/32
      - 103.96.20.22/32
      - 103.96.20.96/28
    chars_num: 229
    origin: au._netblocks.mimecast.com
    record: v=spf1 ip4:103.13.69.0/24 ip4:124.47.150.0/24 ip4:124.47.189.0/24 ip4:103.96.23.0/24 ip4:103.96.21.0/24 ip4:180.189.28.0/24 ip4:216.145.217.0/24 ip4:103.96.22.96/28 ip4:103.96.22.22/32 ip4:103.96.20.22/32 ip4:103.96.20.96/28 ~all
    use_macro: false
  - authorized_ips:
      ipv4:
      - 170.10.145.0/24
      - 170.10.147.0/24
      - 170.10.144.126/32
      - 170.10.146.126/32
      - 170.10.144.240/29
      - 170.10.146.240/29
      - 216.145.216.0/24
    chars_num: 160
    origin: ca._netblocks.mimecast.com
    record: v=spf1 ip4:170.10.145.0/24 ip4:170.10.147.0/24 ip4:170.10.144.126/32 ip4:170.10.146.126/32 ip4:170.10.144.240/29 ip4:170.10.146.240/29 ip4:216.145.216.0/24 ~all
    use_macro: false
  spf_valid: true

Response Structure

All API responses follow a consistent structure with the following fields:

FieldTypeDescriptionExample
statusstringIndicates whether the request was successful ("ok") or failed ("error")ok
errorstring | nullContains error message if status is "error", otherwise nullnull
dataobject | nullContains the API response data if successful, otherwise null{...}

Response Data Fields

When the request is successful, the data object contains the following fields:

FieldTypeSample Value
authorized_ipsobject{...}
authorized_ips.ipv4array["63.208.226.34", ...]
dns_lookups_numnumber8
domains_extractedarray["myspace.com", ...]
elapsed_msnumber1118
has_issuesbooleanfalse
has_spf_recordbooleantrue
hoststring"myspace.com"
ip_passbooleanfalse
macros_foundbooleanfalse
spf_recordstring"v=spf1 mx ip4:63.208.226.34 ip4:204.16.32.0/22 ip4:67.134.143.0/24 ip4:216.205.243.0/24 ip4:34.85.156.5/32 ip4:35.245.108.108/32 ip4:34.86.129.193/32 ip4:34.86.134.94/32 ip4:34.85.222.234/32 ip4:34.86.176.234/32 ip4:34.86.125.212/32 ip4:34.85.224.60/32 ip4:34.86.160.49/32 ip4:35.245.64.166/32 ip4:35.188.226.11/32 ip4:34.86.208.228/32 ip4:34.85.216.144/32 ip4:35.221.22.153/32 ip4:34.86.137.108/32 ip4:34.86.51.35/32 ip4:34.150.221.40/32 ip4:34.85.216.70/32 ip4:34.86.37.191/32 ip4:34.85.214.215/32 ip4:35.236.234.82/32 ip4:34.86.161.241/32 ip4:216.32.181.16 ip4:216.178.32.0/20 ip4:168.235.224.0/24 include:_netblocks.mimecast.com -all"
spf_records_listarray[{"authorized_ips":{"ipv4":["63.208.226.34","204.16.32.0/22","67.134.143.0/24","216.205.243.0/24","34.85.156.5/32","35.245.108.108/32","34.86.129.193/32","34.86.134.94/32","34.85.222.234/32","34.86.176.234/32","34.86.125.212/32","34.85.224.60/32","34.86.160.49/32","35.245.64.166/32","35.188.226.11/32","34.86.208.228/32","34.85.216.144/32","35.221.22.153/32","34.86.137.108/32","34.86.51.35/32","34.150.221.40/32","34.85.216.70/32","34.86.37.191/32","34.85.214.215/32","35.236.234.82/32","34.86.161.241/32","216.32.181.16","216.178.32.0/20","168.235.224.0/24"]},"chars_num":637,"domains":["_netblocks.mimecast.com"],"origin":"myspace.com","record":"v=spf1 mx ip4:63.208.226.34 ip4:204.16.32.0/22 ip4:67.134.143.0/24 ip4:216.205.243.0/24 ip4:34.85.156.5/32 ip4:35.245.108.108/32 ip4:34.86.129.193/32 ip4:34.86.134.94/32 ip4:34.85.222.234/32 ip4:34.86.176.234/32 ip4:34.86.125.212/32 ip4:34.85.224.60/32 ip4:34.86.160.49/32 ip4:35.245.64.166/32 ip4:35.188.226.11/32 ip4:34.86.208.228/32 ip4:34.85.216.144/32 ip4:35.221.22.153/32 ip4:34.86.137.108/32 ip4:34.86.51.35/32 ip4:34.150.221.40/32 ip4:34.85.216.70/32 ip4:34.86.37.191/32 ip4:34.85.214.215/32 ip4:35.236.234.82/32 ip4:34.86.161.241/32 ip4:216.32.181.16 ip4:216.178.32.0/20 ip4:168.235.224.0/24 include:_netblocks.mimecast.com -all","use_macro":false}, ...]
spf_validbooleantrue

Headers

Required and optional headers for API requests:

Header NameRequiredExample ValueDescription
X-API-KeyYesyour_api_key_hereYour APIVerve API key. Found in your dashboard under API Keys.
AcceptNoapplication/jsonSpecify response format: application/json (default), application/xml, or application/yaml
User-AgentNoMyApp/1.0Identifies your application for analytics and debugging purposes
X-Request-IDNoreq_123456789Custom request identifier for tracking and debugging requests
Cache-ControlNono-cacheControl caching behavior for the request and response

Client Libraries

To get started with minimal code, most of our APIs are available through client libraries and clients:

Run in PostmanNPMPyPINuGetSwagger

Error Codes

The API uses standard HTTP status codes to indicate success or failure:

Status CodeMessageDescription
200OKRequest successful, data returned
400Bad RequestInvalid request parameters or malformed request
401UnauthorizedMissing or invalid API key
403ForbiddenAPI key does not have permission for this endpoint
429Too Many RequestsRate limit exceeded, please slow down requests
500Internal Server ErrorServer error, please try again later

What's Next?

Continue your journey with these recommended resources

Browse All APIs

Explore our complete catalog of APIs

Authentication Guide

Learn about API keys and security

Rate Limits

Understand usage limits and best practices

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