Am 23.04.2025 um 19:15:45 Uhr schrieb François Patte: > I am wondering why some dns servers are available and some other are > not if I set them in resolv.conf (or other dns config files)?
Some might be public servers and other might be not accessible for the public by design (UDP DNS can be used for amplification attacks). > And dig @80.67.169.12 sci-hub.se returns: > > ;; communications error to 80.67.169.12#53: host unreachable > ;; communications error to 80.67.169.12#53: timed out > ;; communications error to 80.67.169.12#53: timed out Same for me. > while this server is working (and is a dns server): > > ping 80.67.169.12 > PING 80.67.169.12 (80.67.169.12) 56(84) octets de données. > 64 octets de 80.67.169.12 : icmp_seq=1 ttl=52 temps=25.9 ms This is the ICMP echo request. It confirms that this server is reachable, but it doesn't indicate that it provides a public DNS resolver at all. Please ask the operator of this server if it is intended as a public server. If not, choose another or run your own. -- Gruß Marco Send unsolicited bulk mail to 1745428545mu...@cartoonies.org -- _______________________________________________ users mailing list -- users@lists.fedoraproject.org To unsubscribe send an email to users-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
