Chrome //
Extensions 
Chrome
Web store
select chrome_id_no,plugin_tag_line,plugin_name,plugin_icon,sitemap_url,oldvsnew_comment from final_chrome_totaldata_sept2022 where MATCH(plugin_name) AGAINST('+whois +extension' IN Boolean MODE) order by users desc
Active Whois & Flags extension
Displays the flags, IP address and Whois data of websites. Says the country name of a visited site. Active Whois 5.2++ required.
Namescout.com WHOIS Search Extension
This extension allows you to conveniently perform whois searches through our WHOIS lookup service.