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.