whoru
This addon allows you to make whois queries from the address bar by typing "whois domain.com" (where domain.com is the domain that you'd like to query), and the resulting page will be the whois listing for that domain. Also, ping.
What is whoru?
Stats
Chrome-Stats Rank
Other platforms
Summary
This addon allows you to make whois queries from the address bar by typing "whois domain.com" (where domain.com is the domain that you'd like to query), and the resulting page will be the whois listing for that domain.
Also, 'ping somebody.com' will ping somebody.com.
This (probably) only works if you've got Google as your search provider. If it's real important to make it work more generically, let me know, and I'll .. Well, I don't know what I'll do, but we'll both find out when it happens.
Safety
Risk impact
whoru is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install whoru if you trust the publisher.
Risk likelihood
whoru has earned a fairly good reputation and likely can be trusted.