.lu is for Luxembourg
Registration web site:
Whois web interface:
Second Level Domains Registered
ICANN records: http://www.iana.org/root-whois/lu.htm
Notes: Registration of a pending application for a domain name will be suspended by DNS-LU in case of a conflict with another pending application or an already registered active or inactive domain name until the conflicting registrants present a written and duly signed settlement of the conflict or a court decision resolving the dispute in favour of one of the conflicting parties.
Domain Registration Rules: