this post was submitted on 13 Aug 2024
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No Stupid Questions

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I should clarify I wasn't a upper level sys admin managing those servers, I just used them or maintained accounts being a rank and file technician

While I get the fundamental concept of DNS as a phonebook for your IPs. I am not sure why it is joked around if something goes haywire or someone breaks something.

Is it because if you get no DNS, people can't log in through their AD accounts, browse the Internet?

Afaik DNS is a bit of a rabbit hole topic, maybe that's why people joke about it due to DNS being this "No one really knows how this magic name matching box works"?

Please correct me, I'd genuinely like to know why this is prevalent from you guys.

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[–] tomkatt@lemmy.world 9 points 4 months ago* (last edited 4 months ago)

DNS is often misconfigured.

On the linux side of things, people like to manually edit /etc/resolv.conf when it's actually a symlink and changes to it don't persist on boot (the real file location varies, but it's usually in something like /etc/system/resolve). And forget bind9, if it's not MS DNS it's not DNS to some folks.

On the Windows side, people love to ignore that reverse DNS exists, even though so many things use it. They also freaking love CNAME aliases and break stuff in interesting ways (for example, a "load balanced" configuration that's all just the first node acting as all three nodes of a cluster or pool).

Many people only know enough DNS to be dangerous and come up with really jank workarounds to get things running because they don't understand the proper solutions.