Tool detail

DNS Doctor

Runs SPF, DMARC, DKIM, MX, DNS-hardening, blacklist and domain/SSL-expiry checks for 2 to 50 domains in one call.

Categories: Domains IP

Use when

check email/DNS health (SPF, DMARC, DKIM, MX) for a batch of domains
audit domain and SSL certificate expiry across many domains at once

Not for

not the single-domain free interactive report -- this is the paid bulk endpoint

Inputs

POST JSON body: { domains: string[] } (required, 2-50 items)

Admitted input schema

{
  "type": "object",
  "properties": {
    "domains": {
      "type": "array",
      "items": {
        "type": "string",
        "minLength": 0,
        "maxLength": 4096
      },
      "minItems": 2,
      "maxItems": 50
    }
  },
  "required": [
    "domains"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://dnsdoctor.dev/api/v1/bulk-scan

Payment

Protocol: x402
Listed price: 0.01 USDC per domain on Base (bulk call charges per domain scanned)
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: POST https://dnsdoctor.dev/api/v1/bulk-scan
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z