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DNS WHOIS and RDAP LookupService

dns-whois-rdap

Domain lookup: DNS records plus RDAP registration data. POST JSON {"arguments": {"domain": "example.com", "records": ["A", "MX", "TXT", "NS"]}} to /v1/tool (records optional; supports A, AAAA, MX, TXT, NS, CNAME, SOA); also GET /v1/domain?domain=example.com&records=A,NS. The response is a JSON object with domain, dns (per record type: status and records with name, ttl, data) and rdap (registrar, created, expires, states, nameservers). Some country-code domains have no RDAP data and return a not_available status. DNS answers are live and cached up to 5 minutes, so results can differ between suppliers and over time.

Active Suppliers
2
of 2 ever configured
Service Info
Service ID
dns-whois-rdap
Compute Units / Relay
100,000
Active Applications
2
Relay Mining EMA
1 relays
Service Metadata Cardsource: on-chain metadata (LCD)
{10 items
"schema":"pocket-service-card/v1"
"description":"Domain lookup: DNS records plus RDAP registration data. POST JSON {"arguments": {"domain": "example.com", "records": ["A", "MX", "TXT", "NS"]}} to /v1/tool (rec..."
"rpc_types":[1 item
0:{4 items
"type":"REST"
"intent":"expected"
"backend_hint":"dns-whois-rdap HTTP server on :8080; POST /v1/tool, GET /v1/domain, /v1/health + /v1/version."
"notes":"Every response is a JSON object; errors are JSON 4xx/5xx with an error object (code, message)."
}
]
"apis":[1 item
0:"dns-whois-api"
]
"specs":[1 item
0:{4 items
"kind":"openapi"
"api":"dns-whois-api"
"url":"https://services.supnodes.com/specs/dns-whois-rdap/openapi.json"
"notes":"Machine-readable OpenAPI 3.0.3 contract for this service."
}
]
"access":"public"
"results":"variable"
"serving":{7 items
"backend":"Single-process Python 3 HTTP server, standard library only, behind a RelayMiner (rest backend). DNS via Cloudflare DNS-over-HTTPS (cloudflare-dns.com) and regis..."
"implementations":[1 item
0:"dns-whois-rdap >= 1.0"
]
"docs":"https://services.supnodes.com/specs/dns-whois-rdap/README.md"
"min_disk_gb":1
"min_ram_gb":1
"healthcheck":[3 items
0:{4 items
"rpc_type":"REST"
"request":{2 items
"path":"/v1/version"
"method":"GET"
}
"expect":{2 items
"json_path":"$.service"
"matches":"^dns-whois-rdap$"
}
"notes":"Identity probe: pins the backend to this service so a wrong backend cannot be staked under this id."
}
1:{4 items
"rpc_type":"REST"
"request":{2 items
"path":"/v1/health"
"method":"GET"
}
"expect":{2 items
"json_path":"$.status"
"matches":"^ok$"
}
"notes":"Readiness probe."
}
2:{4 items
"rpc_type":"REST"
"request":{3 items
"path":"/v1/tool"
"method":"POST"
"body":{1 item
"arguments":{1 item
"domain":"example.com"
}
}
}
"expect":{2 items
"json_path":"$.dns.A.status"
"matches":"^ok$"
}
"notes":"Functional probe: resolves example.com. Makes up to two upstream calls, cached for 5 minutes."
}
]
"notes":"Upstream: cloudflare-dns.com and rdap.org (which redirects to the authoritative registry), up to one call each per uncached domain. Gateway operators: configure..."
}
"docs":"https://services.supnodes.com/specs/dns-whois-rdap/README.md"
"updated":"2026-09-24"
}