CoNNoUK decided to move his clansite from totalkillaz.eu to totalkillaz.info. There's a browser redirect but it seems C++'s network API can't handle this, so your servers fail to obtain IP from https://totalkillaz.info/ip.php.
To fix it, override your DNS locally:
-> go to C:\Windows\system32\drivers\etc
-> open the hosts file with notepad
-> add these lines at the end:
Should work again.
“Don't cry because it's over, smile because it happened.”
― Dr. Seuss