General
- Extension
- .hamburg
- Type
- Regional extension
- Meaning
- Hamburg
- Registry
- Hamburg Top-Level-Domain GmbH
- Registry website
- www.nic.hamburg
- Registered since
- 22 May 2014
- ICANN agreement
- since 20 February 2014
Properties
- DNSSEC signed
- yes
- Name servers
- 3 (3 with IPv6)
- WHOIS server
- whois.nic.hamburg
- RDAP server
- rdap.nic.hamburg/v1
- At 1blu
- available to order directly
Registration conditions
- Who may register?
- Persons and organisations with an economic, cultural, historical, social or other connection to the Hamburg metropolitan region. At least the registrant, admin-c or tech-c needs an address in the region.
- Length
- 1 to 63 characters.
- Characters
- 0–9, a–z, hyphen and umlauts.
- Registrant data
- Name, street, city, state/province and postal code where applicable, country, phone and e-mail of the registrant; an organisation is optional. Personal data is redacted in public lookups where data protection law requires it.
- Allocation
- First come, first served.
- Term
- 1 to 10 years.
- Transfer
- With an auth code (auth info) under the ICANN Transfer Policy. A lock period applies after a new registration or transfer.
- After expiry
- Restore possible during the Redemption Grace Period (ICANN rules).
- Disputes
- ICANN Uniform Domain-Name Dispute-Resolution Policy (UDRP).
The registry's current rules are binding: www.nic.hamburg.
Sources: Hamburg Top-Level-Domain: Registration policies (12 September 2019) · nic.hamburg: FAQ · ICANN Transfer Policy · ICANN UDRP · ICANN Registration Data Policy · IANA Root Zone Database: .hamburg · As of 28 October 2026
Related extensions
No related extensions on offer.