DNS MX record lookup — a domain's mail servers with their hostnames and prioriti
DNS MX record lookup — a domain's mail servers with their hostnames and priorities as structured JSON, for email routing, deliverability diagnostics and mail-provider detection.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
599 msmedian answer time
$0.005listed price per call
$0.005price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://dns.use.x402atlas.com/mx
| Category | Everything else |
|---|---|
| Provider host | dns.use.x402atlas.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 10 from 6 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.005 | 599 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"host": "example.com"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"host": {
"description": "Bare hostname to resolve (not an IP literal, not localhost, not under a reserved suffix like .local/.internal)",
"maxLength": 253,
"minLength": 1,
"type": "string"
}
},
"required": [
"host"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"host": {
"description": "The queried hostname",
"type": "string"
},
"queried_at": {
"description": "UTC timestamp of the lookup",
"format": "date-time",
"type": "string"
},
"records": {
"items": {
"properties": {
"host": {
"description": "Mail server hostname, typically with a trailing dot",
"type": "string"
},
"pref": {
"description": "MX preference; lower values are tried first",
"type": "integer"
}
},
"required": [
"host",
"pref"
],
"type": "object"
},
"type": "array"
}
},
"required": [
"host",
"records",
"queried_at"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}