WHOIS / RDAP Lookup
Look up domain or IP registration info via RDAP. Registrar, status, dates, nameservers, contacts. Free, runs in your browser.
WHOIS / RDAP Lookup — Look up the registration info for any domain or IP via RDAP (the modern, JSON-based successor to WHOIS). Get the registrar, status, dates, nameservers, and contact roles — all from a free public registry.
Lookups go to the public RDAP registry. Your query is sent to the registry, not to Uttir.
Was WHOIS / RDAP Lookup useful?
What is whois / rdap lookup?
Look up the registration info for any domain or IP via RDAP (the modern, JSON-based successor to WHOIS). Get the registrar, status, dates, nameservers, and contact roles — all from a free public registry.
No login, no API key, no rate-limit trap — just the standard RDAP protocol that the registries themselves serve.
How to use it
-
Type a domain or IP
Examples: example.com, github.io, 8.8.8.8, 2001:4860:4860::8888.
-
Read the registration record
Status, key dates (registered / updated / expires), nameservers, and contact roles (registrar / registrant / admin / abuse) are all displayed.
Frequently asked questions
Related tools
DNS Lookup
Query DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA) for any domain using Google DNS-over-HTTPS.
IP Geolocation Lookup
Look up geolocation info for any IPv4 or IPv6 address — country, city, ISP, ASN, timezone. Free, runs in your browser.
My IP Address
See your public IP, approximate location, ISP, and ASN — useful for VPN checks and remote-access setup.
CIDR Subnet Calculator
Calculate network, broadcast, mask, wildcard, and host range for any IPv4 or IPv6 CIDR block. Pure math, runs in your browser.