How can I register a .at domain? Tara Kelly Updated August 09, 2017 08:25 Follow Simply place an order online via our website www.blacknight.comThere is a domain search on every page of our main site. Related articles What are the current restrictions for .at domains? How do I transfer my .at domain to Blacknight? How do I transfer my .be domain to Blacknight? Comments 0 comments Article is closed for comments.