Hi,

What to do if the domain name of one of my webserver, that me and some lab members use for work related stuff, is no longer resolved by our university DNS? When I first noticed it, I could see no resolution at all while now the domain resolves to a wrong IP. The site can be normally reached on any other network so there is no problem on my side I think.

Should I just wait (now more than 24 hours) or should I try anything? I am entitled to complain to our IT even though the issue is only with this not-really-professional FreeDNS subdomain?

EDIT: apparently some automatism marked this domain as malicious (absolutely it is not, not willingly and not compromised) and somehow DNS resolves to CNAME sinkhole.paloaltonetworks.com.

  • lungdartEnglish
    1·
    1 year ago

    Your host sets it’s own DNS servers, if the router isn’t on the list, they don’t get pinged. Now they could try to man in the middle you, so you could try DNS over TLS, but it’s probably not your issue.

    You’re DNS server settings likely never took hold. Like if you use a DHCP client, then override your DNS settings, that won’t take effect until you request a new DHCP connection.

    Some Linux distros will have local DNS servers that you always point to which are a pain to update as well. Not sure about Windows and MAC.

    good luck man!