What is the whois server for .hr?
By default, whois server for .hr TLD is whois.dns.hr. This can be used to fetch the .hr domain/website whois information. Extension .hr sponsoring organisation is CARNet Croatian Academic and Research Network and its registered on 27-02-1993.
Sponsoring Organisation Details
CARNet - Croatian Academic and Research Network
Josipa Marohnica 5
whois -h <whois server> <domain name>
whois -h whois.dns.hr hiox.hr