Connection Error

MySQL Error  : Connection Error
Error Number : 2002 php_network_getaddresses: getaddrinfo failed: This is usually a temporary error during hostname resolution and means that the local server did not receive a response from an authoritative server. 
Requested URI: http://www.bobcat.ws/jjflash/Guestbook/
Date         : Thu, June 1, 2023 08:17:32
IP           : 172.70.175.55
Browser      : CCBot/2.0 (https://commoncrawl.org/faq/)
Referer      : 
PHP Version  : 5.6.40
OS           : WINNT
Server       : Microsoft-IIS/10.0
Server Name  : www.bobcat.ws