It's NOT always DNS. (opens in new tab)

I’ve written down a new rule (no name, sorry) that I’ll be repeating to myself and those around me. “If you can replace ‘DNS’ with ‘key value store mapping a name to an ip’ and it still makes sense, it was not, in fact, DNS.” Feel free to repeat it along with me. Sure, the “It’s always DNS” meme is funny the first few hundred times you see it – but what’s less funny is when critical thinking ends because a DNS query is involved. DNS failures are often the first observable problem because it’s...