How long can I register a .eu domain for? Tara Kelly Updated October 18, 2016 12:25 Follow EU domains can be registered from 1-10 years. Related articles Is Blacknight a Eurid accredited registrar? Logging in & Submitting a Ticket to help.blacknight.com I am having problems sending to a large mailing list. Can you help? How can I register a .eu domain? Comments 0 comments Article is closed for comments.