Overview
- .koeln is a geographic top-level domain (GeoTLD) for Cologne (Köln), Germany.
- The string corresponds to the German name for the city ("Köln") and is paired with the English-language GeoTLD .cologne.
- It is intended to serve Cologne residents, institutions and businesses and to support local branding and communication.
History
- The .koeln application was submitted during ICANN's New gTLD Program (applicant: NetCologne Gesellschaft für Telekommunikation mbH).
- A Registry Agreement was issued on 09 January 2014.
- .koeln was delegated to the DNS Root Zone on 5 March 2014 and officially launched in 2014.
- The registry was later acquired by dotKoeln GmbH in January 2018. (The Wikipedia infobox lists RyCE GmbH as the registry and dotKoeln GmbH as sponsor.)
Usage and Audience
- Intended audience:
- Residents of Cologne
- Local companies and businesses
- Municipal institutions, organizations and communities
- The city of Cologne uses the TLD in communication and marketing projects.
- The registry's stated mission includes benefiting Cologne’s companies, communities and residents and supporting local marketing efforts.
Registration Rules
- The registry publishes registration policies (Registration Requirements document available via nic.koeln).
- Intended use is local to Cologne; specific eligibility rules and any restrictions are set out in the registry's policy documents.
- Dispute resolution follows the UDRP (Uniform Domain-Name Dispute-Resolution Policy).
- DNSSEC is enabled for the zone.
SEO and Brand Impact
- .koeln is positioned as a local brand and marketing tool for Cologne-based entities.
- Adoption by the city and local organizations supports recognition and trust for Cologne-focused websites.
- The TLD provides a geographic identifier that organizations can use to emphasize local presence.
Notable Cases or Examples
- The city of Cologne uses the .koeln TLD in its communications and marketing initiatives.
- .koeln is commonly mentioned alongside .cologne as the two GeoTLD options for Cologne.
Operator
dotKoeln GmbH
Whois
% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object
domain: KOELN
organisation: dotKoeln GmbH
address: Schoenbrunner Strasse 231
address: Vienna 1120
address: Austria
contact: administrative
name: Ronald Schwaerzler
organisation: dotKoeln GmbH
address: Schoenbrunner Strasse 231
address: Vienna 1120
address: Austria
phone: +43 1 198116-700
fax-no: +43 1 98116-111
e-mail: ronald.schwaerzler@domainworx.consulting
contact: technical
name: Technical Operations
organisation: RyCE GmbH
address: Schoenbrunner Strasse 231
address: Vienna 1120
address: Austria
phone: +431981160
fax-no: +43198116111
e-mail: tech@dns.business
nserver: DNS.RYCE-RSP.COM 194.0.11.114 2001:678:e:114:0:0:0:53
nserver: NS1.DNS.BUSINESS 157.90.205.138 2a01:4f8:252:4295:0:0:9d5a:cd8a
nserver: NS1.RYCE-RSP.COM 193.56.204.111 2a0c:8f40:0:701:0:0:0:111
ds-rdata: 38539 8 2 3d58791c3bccf61d15649d4d6a7b686b7cdf411dbe4af145ece40fed88ebcbcf
whois: whois.ryce-rsp.com
status: ACTIVE
remarks: Registration information: https://www.nic.koeln
created: 2014-02-20
changed: 2025-09-01
source: IANA
Registrars