Have you ever been in a situation where you have wanted to own a domain but did not know who owned it? Maybe you are just curious who is behind your favorite website. Whatever the case, WHOIS tool can provide you with a ton of useful information on publicly registered domains. If you are running a website on domains or web hosting, chances are you want to give your visitors the chance to look up domains quickly on your website. WHOIS is a handy free plugin that does the job.
WHOIS allows you to add a domain search feature to your website. You can use shortcodes to accomplish this. Don’t want spammers to use your forms to run automated searches? CAPTCHA is an optional feature. WHOIS can perform Ajax request too.
Many TLDs are supported in this plugin. It does have a widget too just in case you want to use this tool in your sidebar (in addition to [whois] shortcode).
WHOIS is simple to implement and can prove quite useful for your visitors. A nice tool to have to offer more useful features on your website.