WHOIS Lookup For Domain Name whois.gr:

This TLD has no whois server, but you can access the
whois database at: https://grweb.ics.forth.gr/public/whois

WHOIS Lookup For Similar Domain Names:

whois.com  whois.net  whois.org  whois.cn  whois.com.cn  whois.cc  whois.co  whois.tv  whois.in  whois.de  whois.co.uk  rouzhun.com