WP Domain Search is a WordPress plugin and rely mostly on WP. However some other requirements that are needed to query Whois server.

  • WordPress 4.x
  • PHP 5.4+
  • cURL
  • Port 43 (whois port) should be open on your server
  • mbstring (needed for IDN support, safe to ignore if you are not using/ selling IDNs)

 

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