WHMCS – Domain Checker Reports False Availability Updated on August 16, 2021 by Christopher Maiorana 0 Minutes, 44 Seconds to Read As an InMotion Hosting reseller, you are able to register domains to customers through WHMCS. However, if you are getting errors, you are best advised to check your logs for more information before contacting support. Domain Checker reports domains available when they are registered The most probable cause for this error proves to be a disconnect between WHMCS and the whois server. In order to discover solutions, you must access your error log: Utilities > Logs > Activity Log Refer to the errors below for troubleshooting information: Error Solutions Extension not listed in includes/whoisservers.php This can be changed by editing the file Error: 110 – Connection Error Your firewall is blocking port 43, contact support Error: 0 – php_network_getaddresses: getaddrinfo failed: Name or service not known Review the WHMCS documentation for more information If you continue to have problems, feel free to reach out to live support anytime. Share this Article CM Christopher Maiorana Content Writer II Christopher Maiorana joined the InMotion community team in 2015 and regularly dispenses tips and tricks in the Support Center, Community Q&A, and the InMotion Hosting Blog. More Articles by Christopher Related Articles Wildcard Subdomains and DNS How to Create a Subdomain in cPanel How to Change Nameservers in Google Domains How to Set Up Custom Nameservers for Resellers Using Custom Nameservers How to Change Your Domain Nameservers in AMP Domain Names – Registrar Transfer versus NameServer Change New Domains: Addon, Parked, and Subdomains How to Park a Domain in cPanel How to Lookup WHOIS Information for a Domain