INWX (InterNetworX) is a German domain registrar founded in Berlin in 2002, supporting 600+ extensions and known for transparent pricing, DNSSEC, and WHOIS protection.
DomainDiscount24, founded in 2005 in Frankfurt, Germany, is a well-known budget domain registrar managing over 5 million domains across 800+ TLDs.
Key-Systems is a German ICANN-accredited domain registrar founded in 1999, part of the DotSit Group. Supporting 700+ TLDs with white-label reseller solutions and full automation APIs, it is the go-to platform for domain wholesale and channel distribution.
Joker.com is one of Germany's earliest ICANN-accredited registrars, founded in Berlin in 1998, supporting 800+ extensions and known for reliable management, transparent pricing, and European data centers.