RDAP · domain registration

RDAP Domain Lookup — registrar, dates, nameservers, and DNSSEC for many domains

RDAP Domain Lookup looks up registration data for many domains in one run through RDAP, the ICANN-standard successor to port-43 WHOIS, and returns registrar, dates, status codes, nameservers, and DNSSEC for each domain. Store id taroyamada/rdap-domain-lookup. Registrant, admin, and tech contact entities are ignored.

See the Apify Store page for current pricing.

Open RDAP Domain Lookup on Apify Open Input

Current RDAP records, not DNS propagation or a change monitor

Use this page for a bulk lookup of the current registration record. The Actor reads the official IANA RDAP bootstrap file (data.iana.org/rdap/dns.json) to find the registry server for each TLD, then queries that server. Use RDAP Domain Expiry & Whois Scraper when you need expiry warnings and registration changes between runs. Use DNS Propagation Checker for public DNS across resolvers. Use DMARC & Email Security Checker for SPF, DMARC, and MX. Use SSL/TLS Certificate Scraper for certificate expiry and fingerprints.

	This Actor	RDAP Domain Expiry & Whois Scraper	DNS Propagation Checker
Job	Current RDAP registration facts for a domain list	Expiry warnings and registration changes between runs	Public DNS records across resolvers
Primary input	`domains`, `concurrency`, `delayMs`	`domains` plus snapshot and expiry-warning fields	`domains` and record types
Contacts	Registrant, admin, and tech contacts are ignored	Registration-change monitoring	No RDAP contact records
Primary output	Registrar, dates, EPP status, nameservers, DNSSEC, answering RDAP server	Expiry, registrar, nameservers, change history, warnings	Resolved values, TTL, resolver identity

No personal data is collected. Only registrar-level and domain-level fields are written. This Actor is not affiliated with ICANN, IANA, or any registry.

Use cases

Expiry monitoring for a domain portfolio, from the dates the registry publishes.
Checking registrar and name-server setup across client domains.
Enriching a lead or vendor list with domain age from the registration date.

How to start a run

Open the Actor and start with the prefilled sample domains to see the output shape.
Replace the list with your own domains. URLs are accepted. www. is stripped. The schema uses the hostname’s registrable part as typed.
Export the dataset as JSON, CSV, or Excel, or call the Actor through the API.

Run RDAP Domain Lookup on Apify

Input

Field	Default	Notes
`domains`	`["google.com", "wikipedia.org", "apify.com"]`	Domain names to look up. URLs are accepted; `www.` is stripped
`concurrency`	`3`	Parallel lookups. Minimum 1, maximum 10. Kept low to respect registry RDAP rate limits
`delayMs`	`500`	Pause between batches, in milliseconds. Minimum 0, maximum 10000

Input example (schema prefill):

{
  "domains": ["google.com", "wikipedia.org", "apify.com"],
  "concurrency": 3,
  "delayMs": 500
}

Output fields

One dataset row per domain that the registry answers. Registrant, admin, and tech contact entities are not included.

Field	Meaning
`registrar`, `registrarIanaId`	Sponsoring registrar name and IANA ID
`createdAt`, `updatedAt`, `expiresAt`	Registration, last-changed, and expiration dates, as published by the registry
`domainStatus`	EPP status codes (for example client transfer prohibited)
`nameservers`	Delegated name servers
`dnssecSigned`	Whether the delegation is DNSSEC-signed
`rdapServer`	The registry RDAP server that answered

Limitations

Some ccTLDs do not publish an RDAP server in the IANA bootstrap. Those domains are reported as no_rdap_server.
Field coverage depends on each registry. Thin registries (for example .com) return registrar-level data only.
Lookups are rate-limited: low default concurrency, a delay between batches, and retry with backoff on HTTP 429, to respect registry limits.
Domains that fail (invalid, not registered, TLD without RDAP, or a registry error) are not written to the dataset. They are saved to the key-value store record FAILED_DOMAINS with the reason.
Data comes from public RDAP services operated by domain registries, located via the IANA bootstrap registry. Use the output in line with each registry’s RDAP terms of use.