DNS Lookup

API key v1

A, AAAA, MX, TXT, NS, CNAME, SOA, CAA and SRV records with DNSSEC status.

Resolves the record types you ask for, or a default set, and reports whether the zone publishes DS records and whether the resolver validated the answer.

GET https://api.zactonz.com/domain/dns/

Parameters

Name	Type	Description
`name`required	string	Host or domain name.
`type`	string	Comma-separated record types, or `ALL` for A, AAAA, MX, TXT, NS, CNAME, SOA and CAA. Default `ALL`

Send parameters in the query string.

Response

Field	Type	Description
`status`	integer	`200` on success.
`data`	object	The result.
`data.name`	string	Name queried.
`data.records`	object	One list per type. A and AAAA carry `address`; MX `priority` and `exchange`; TXT `text`; CNAME, NS and PTR `target`; SOA the zone fields; CAA `flags`, `tag`, `value`; SRV `priority`, `weight`, `port`, `target`. Every record has `name` and `ttl`.
`data.dnssec`	object	`ds_records` and `validated_by_resolver`.
`data.queried_at`	string	Timestamp.

Status codes

The outcome is reported in the JSON status field. See Errors & status codes for the general rules.

`400`	Bad request	`name` is missing or a record type is not supported.
`401`	Unauthorized	The Authorization header is missing or the key is not recognised.
`403`	Forbidden	The key is not licensed for this product.
`429`	Too many requests	The per-minute rate or the plan quota is exhausted. Retry after the seconds given in `Retry-After`.

Notes

Answers are cached for two minutes.

curl "https://api.zactonz.com/domain/dns/?name=zactonz.com&type=A%2CMX%2CTXT" \
  -H "Authorization: Bearer YOUR_API_KEY"

<?php
$query = http_build_query([
    'name' => 'zactonz.com',
    'type' => 'A,MX,TXT',
]);
$ch = curl_init("https://api.zactonz.com/domain/dns/?" . $query);
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER     => ['Authorization: Bearer YOUR_API_KEY'],
]);
$result = json_decode(curl_exec($ch), true);

const params = new URLSearchParams({
  name: "zactonz.com",
  type: "A,MX,TXT",
});
const res = await fetch("https://api.zactonz.com/domain/dns/?" + params, {
  headers: { Authorization: "Bearer YOUR_API_KEY" },
});
const result = await res.json();

Response · 200

{
  "status": 200,
  "data": {
    "name": "zactonz.com",
    "records": {
      "A": [
        {
          "name": "zactonz.com",
          "ttl": 300,
          "address": "67.43.236.62"
        }
      ],
      "MX": [
        {
          "name": "zactonz.com",
          "ttl": 300,
          "priority": 0,
          "exchange": "mail.zactonz.com"
        }
      ],
      "TXT": [
        {
          "name": "zactonz.com",
          "ttl": 300,
          "text": "v=spf1 +a +mx +ip4:67.43.236.62 ~all"
        }
      ]
    },
    "dnssec": {
      "ds_records": false,
      "validated_by_resolver": false
    },
    "queried_at": "2026-09-17T14:02:11+00:00"
  }
}

On this page Parameters Response Status codes Notes