What is the whois server for .eu?
By default, whois server for .eu TLD is whois.eu. This can be used to fetch the .eu domain/website whois information. Extension .eu sponsoring organisation is EURid vzw/asbl and its registered on 28-04-2005.
Sponsoring Organisation Details
EURid vzw/asbl
Parkstation
Woluwelaan 150
Diegem Vlaams Brabant 1831
Belgium
Usage
whois -h <whois server> <domain name>
For example
whois -h whois.eu hiox.eu