WP Domain Checker
WP Domain Checker features
WP Domain Checker is a WordPress plugin which allow you easily to check domain name availability from your wordpress site. You can check or search for any generic top-level domains (gTLD) or country-code top-level domains (ccTLD). WP Domain Checker is made with AJAX and easily to use with Shortcode or Widget also integrated with WHMCS & WooCommerce.
WP Domain Checker 5.1.2 changelog
Improvement - added additional whois server (whois.arin.net) for Whois IP Lookup. Now it will show result from APNIC and ARIN. Thanks to F8N1 for the feedback.