Tool detail

reverse

Performs a reverse-DNS lookup for an IP, returning its PTR record plus a best-effort list of other domains on the same IP.

Categories: Domains IP

Use when

find the PTR record for an IP address
list other domains that might share an IP
reverse-resolve an IPv4 or IPv6 address

Not for

not forward DNS lookup from domain to IP

Inputs

POST JSON body: { ip: string, IPv4 or IPv6 } (required)

Admitted input schema

{
  "type": "object",
  "properties": {
    "ip": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "IPv4 or IPv6 address to reverse-resolve, e.g. '1.1.1.1'."
    }
  },
  "required": [
    "ip"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://dns-intel-api-production.up.railway.app/dns/reverse

Payment

Protocol: x402
Listed price: 0.002 USDC per call on Base
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://dns-intel-api-production.up.railway.app/dns/reverse
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z