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It's always DNS, should I complain? (self.selfhosted)

submitted 1 year ago* (last edited 1 year ago) by aesir to c/selfhosted

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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.

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[–] aesir 2 points 1 year ago (1 children)

The IP is static, and is resolved properly everywhere outside my university network

[–] [email protected] 1 points 1 year ago* (last edited 1 year ago) (1 children)

An the issue is only inside the network? I’d complain to IT about that, yeah. Maybe they are overriding the DNS record with their own DNS server or something.

Can you set your own DNS servers on your client devices? Does cloudflare or quad9 resolve it?

[–] aesir 1 points 1 year ago

I think this is exactly the case, they have some issues with the DNS server and, as some other comments indicate it is possible, they reset my settings for DNS servers at router level. So nor cloudflare or others can help, only the line in etc/hosts works