DNS & WHOIS Domain Lookup

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.

Resource: dns.use.x402atlas.com/mx

Network: eip155:8453, eip155:137, eip155:42161, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7

Payment methods: — · Last validation: 2026-09-14 16:12:41.3+00

{
  "input": {
    "type": "object",
    "required": [
      "type",
      "method"
    ],
    "properties": {
      "type": {
        "type": "string",
        "const": "http"
      },
      "method": {
        "enum": [
          "GET"
        ],
        "type": "string"
      },
      "queryParams": {
        "type": "object",
        "required": [
          "host"
        ],
        "properties": {
          "host": {
            "type": "string",
            "maxLength": 253,
            "minLength": 1,
            "description": "Bare hostname to resolve (not an IP literal, not localhost, not under a reserved suffix like .local/.internal)"
          }
        }
      }
    },
    "additionalProperties": false
  },
  "output": {
    "type": "object",
    "required": [
      "type"
    ],
    "properties": {
      "type": {
        "type": "string"
      },
      "example": {
        "type": "object",
        "required": [
          "host",
          "records",
          "queried_at"
        ],
        "properties": {
          "host": {
            "type": "string",
            "description": "The queried hostname"
          },
          "records": {
            "type": "array",
            "items": {
              "type": "object",
              "required": [
                "host",
                "pref"
              ],
              "properties": {
                "host": {
                  "type": "string",
                  "description": "Mail server hostname, typically with a trailing dot"
                },
                "pref": {
                  "type": "integer",
                  "description": "MX preference; lower values are tried first"
                }
              }
            }
          },
          "queried_at": {
            "type": "string",
            "format": "date-time",
            "description": "UTC timestamp of the lookup"
          }
        }
      }
    }
  },
  "paymentRequirements": [
    {
      "raw": {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "tier": "standard",
          "version": "2",
          "merchant": "x402Atlas"
        },
        "payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
        "amount": "5000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
      "scheme": "exact",
      "network": "eip155:8453",
      "amountAtomic": "5000"
    },
    {
      "raw": {
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "tier": "standard",
          "version": "2",
          "merchant": "x402Atlas"
        },
        "payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
        "amount": "5000",
        "scheme": "exact",
        "network": "eip155:137",
        "maxTimeoutSeconds": 300
      },
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
      "scheme": "exact",
      "network": "eip155:137",
      "amountAtomic": "5000"
    },
    {
      "raw": {
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "tier": "standard",
          "version": "2",
          "merchant": "x402Atlas"
        },
        "payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
        "amount": "5000",
        "scheme": "exact",
        "network": "eip155:42161",
        "maxTimeoutSeconds": 300
      },
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "payTo": "0x446e51DeAb3aE656C99E65369e8eF1148d23d7f7",
      "scheme": "exact",
      "network": "eip155:42161",
      "amountAtomic": "5000"
    },
    {
      "raw": {
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "tier": "standard",
          "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
          "merchant": "x402Atlas"
        },
        "payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
        "amount": "5000",
        "scheme": "exact",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "maxTimeoutSeconds": 300
      },
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "amountAtomic": "5000"
    }
  ]
}

Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.