Open WHOISbuilt by Just

.hamburg WHOIS lookup

.hamburg is managed by Hamburg Top-Level-Domain GmbH. Its registry answers lookups over RDAP at rdap.nic.hamburg, so a .hamburg lookup here reads the registry directly.

Managed by

Hamburg Top-Level-Domain GmbH
As listed by IANA

RDAP

rdap.nic.hamburg
Lookups read the registry live

WHOIS server

whois.nic.hamburg

DNSSEC

Signed
The ending is signed in the root zone

In the root zone since

22 May 2014

Registry website

www.nic.hamburg

What a .hamburg lookup shows

The registrar, when the domain was registered and when it expires, every status code in plain words, nameservers and DNSSEC, plus the mail setup read from DNS.

WHOIS vs RDAPWho owns a domain?All endings

Looking for a .hamburg name? Search on Just Domain.

For AI assistants
Ending: .hamburg
Managed by: Hamburg Top-Level-Domain GmbH
RDAP base URL: https://rdap.nic.hamburg/v1/
WHOIS server: whois.nic.hamburg
DNSSEC signed in the root: yes
Source: IANA root zone database and RDAP bootstrap, read 2026-10-31
Lookup URL: https://openwhois.org/#d=example.hamburg