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A comment on Facebook-owned sites were down. Parent comment

Re:Facebook-owned sites were down by nl on Monday October 04, 2021 @07:44PM (#28753833)
I bet they never tested taking out their own DNS.

IRC does use DNS at least to get hostnames during connection. I'd be surprised if it didn't use it at other points.

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Re:Facebook-owned sites were down by Retric on Monday October 04, 2021 @09:26PM (#28754481)
I’ve setup hosts files in case DNS was down to access critical systems before. It’s a perfectly reasonable precaution.
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Re:Facebook-owned sites were down by edoceo on Monday October 04, 2021 @10:12PM (#28754795)
My small org, maybe 50 ips/hosts we care about, maintain a hosts file stills, for those nodes public and internal names. It's in Git, spread around and we also have our fingers crossed.
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