Man pages matching name whois in section 1:

whois.1.hu	debian 10 / manpages-hu
whois.1.en	debian 10 / whois
whois.1.hu	debian 11 / manpages-hu
whois.1.en	debian 11 / whois
whois.1.fr	debian 12 / manpages-fr
whois.1.en	debian 12 / whois