Api Endpoint

DNS Propagation Checker

DNS propagation checker. Compares a DNS record across public resolvers (Google, Cloudflare, Quad9, OpenDNS) to spot propagation lag or split-horizon answers.

Open interactive test console

Offering

Provider: api.kadec0.xyz
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Infrastructure
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://api.kadec0.xyz/v1/dns-propagation
MIME type: application/json
First seen: 2026-10-16T01:50:06.715Z
Last seen: 2026-11-02T11:28:43.272Z
Tags: DNS, propagation, resolvers, nameservers, domain

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.03 USDC
Atomic price: 30000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "30000",
    "payTo": "0x4df66B6c140778fe0717880A7c6dDE5Ea53AcDeA"
  }
]

Observed health

Status: Healthy
Latest latency: 258 ms
Average latency: 612 ms
HTTP status: 402
Last checked: 2026-11-02T11:28:43.267Z
Reachability: 100% over 11 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "domain": {
          "type": "string"
        },
        "record_type": {
          "type": "string",
          "enum": [
            "A",
            "AAAA",
            "CNAME",
            "MX",
            "NS",
            "TXT"
          ],
          "default": "A"
        }
      },
      "required": [
        "domain"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "domain": {
              "type": "string"
            },
            "record_type": {
              "default": "A",
              "enum": [
                "A",
                "AAAA",
                "CNAME",
                "MX",
                "NS",
                "TXT"
              ],
              "type": "string"
            }
          },
          "required": [
            "domain"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}