.dk is the country code top-level domain (ccTLD) for Denmark. Any new .dk domain name has to be applied for via an approved registrar.
.DK domain extension ranks #39 among all domain extensions, and #26 among all country-code extensions (ccTLDs). Currently, there are 1 Million registered .dk domain names. DK Hostmaster A/S is the registry of .dk extension.
The oldest (still exists) .dk domain name is mainz.dk, and it was registered on 29 October 1987.
The most popular .dk domain name is google.dk. Its worldwide rank is 2656.
.DK domains are most popular in Denmark. Sweden and Norway are the other countries that have most .dk domain registrations.