What is the whois server for .pl?
By default, whois server for .pl TLD is whois.dns.pl. This can be used to fetch the .pl domain/website whois information. Extension .pl sponsoring organisation is Research and Academic Computer Network and its registered on 30-07-1990.
Sponsoring Organisation Details
Research and Academic Computer Network.
Wawozowa 18.
Warsaw 02 796.
Poland.
Usage
whois -h <whois server> <domain name>
For example
whois -h whois.dns.pl hiox.pl