Could you check how long it takes to wget/curl each of the ipv6 ips? If you don't have ipv6 configured, it usually fails immediately.
But if it takes longer, that's certainly a problem for squid. That would make squid requests take a long time probably.
Could you check how long it takes to wget/curl each of the ipv6 ips? If you don't have ipv6 configured, it usually fails immediately.
But if it takes longer, that's certainly a problem for squid. That would make squid requests take a long time probably.