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#itwasdns

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Mad A. Argon :qurio:<p>Now updated version...</p><p>It was <a href="https://is-a.cat/tags/DNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DNS</span></a><br>in <a href="https://is-a.cat/tags/ACME" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ACME</span></a> scripts<br>because systemd-timesyncd failed...</p><p>:neocat_lol: </p><p><a href="https://is-a.cat/tags/admin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>admin</span></a> <a href="https://is-a.cat/tags/sysadmin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sysadmin</span></a> <a href="https://is-a.cat/tags/ItWasDNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ItWasDNS</span></a></p>
a<p>So I was curious why many of my services were slow and of course <a href="https://91268476.xyz/tags/ItWasDNS" rel="nofollow noopener" target="_blank">#ItWasDNS</a><span> <br><br></span><a href="https://91268476.xyz/tags/selfhosted" rel="nofollow noopener" target="_blank">#selfhosted</a> <a href="https://91268476.xyz/tags/homelab" rel="nofollow noopener" target="_blank">#homelab</a></p>
a<p>So I was curious why many of my services were slow and of course <a href="https://91268476.xyz/tags/ItWasDNS" rel="nofollow noopener" target="_blank">#ItWasDNS</a><span> <br><br></span><a href="https://91268476.xyz/tags/selfhosted" rel="nofollow noopener" target="_blank">#selfhosted</a> <a href="https://91268476.xyz/tags/homelab" rel="nofollow noopener" target="_blank">#homelab</a></p>
Jeff Geerling<p>Completely sold out of 'Cosplaying as a Sysadmin' sticker packs on www.redshirtjeff.com, but still have a bunch of shirts left, like the classic 'It was DNS'! Going to restock soon, though. <a href="https://mastodon.social/tags/itwasdns" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>itwasdns</span></a></p>
Dustin Rue<p>One of the beauties of <a href="https://mastodon.chateaude.luxe/tags/ActivityPub" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ActivityPub</span></a> / <a href="https://mastodon.chateaude.luxe/tags/Mastodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Mastodon</span></a> is if you mess up and your instance/server is down other instances just patiently wait for you to eventually return and then inundates you with "here's what you missed while you were away”</p><p><a href="https://mastodon.chateaude.luxe/tags/ItWasDNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ItWasDNS</span></a></p>
Gavin Brown<p><span class="h-card"><a href="https://noc.social/@dcid" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>dcid</span></a></span> UPDATE: it was a DNS issue. <a href="https://noc.social/tags/BT" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BT</span></a> blocks noc.social (my other devices use quad9 which is why they worked) <a href="https://noc.social/tags/itwasdns" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>itwasdns</span></a></p>
Doc Edward Morbius ⭕​<p><span class="h-card"><a href="https://queer.party/@n8chz" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>n8chz</span></a></span> If I'm understanding you correctly, your telephone number <em>is</em> a "some character string", though composed (usually, not always) of numbers.</p><p>URLs evolved from domain names plus a local path component <em>and</em> additional arguments or values. The domain-name system mapped logical network locations (IP addresses) to mnemonic identifiers, and provided routing through them. I remember using bang-path notation to route email, briefly, in the 1980s, prior to this being fully hammered out.</p><p>(Bang paths specified the routing instructions for email between two points, something that's now handled automatically.)</p><p>Note that <em>DNS</em> and <em>host names</em> are <em>mappings to</em> but also <em>independent of</em> the underlying network topology. I can have, say, "example.com" as a domain, but hosts "local.example.com" and "remote.example.com" be located at two distinct networks, with no underlying logical network location. It's also possible to specify "service addresses" such as "mail.example.com" and "ftp.example.com" which refer to specific protocols (email and FTP respectively, "WWW" is another of these though it's largely been dropped). Or subdomains, so that host.lon.example.com and host.nyc.example.com might correspond to sub-networks in London and New York, where "lon.example.com" and "nyc.example.com" are <em>subdomains</em>.</p><p>And there's a whole lot of other detail.</p><p>When DNS first started there were literally a few hundred, maybe a few thousand, internet <em>hosts</em> let alone <em>domains</em>, and the directory was printed, with the system operator's names and phone numbers in it <em>twice</em> (forward and reverse lookup), updated and distributed regularly.</p><p>There are now <em>billions</em> of hosts (devices), ranging from supercomputers to electronic doorbells and drones, and at the very least <em>millions</em> of domains. Management is ... more complicated than it once was.</p><p>Sorting out what <em>namespaces</em> should map to what <em>address schemes</em> is complex, and as anyone who's attempted ontologies and rational organisational schemes, there's no one solution, and correspondence of <em>use</em> to <em>design intent</em> tends to rapidly diverge over time.</p><p>It's complicated.</p><p><span class="h-card"><a href="https://omfg.town/@dansinker" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>dansinker</span></a></span> </p><p><a href="https://toot.cat/tags/DNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DNS</span></a> <a href="https://toot.cat/tags/ItsNotDNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ItsNotDNS</span></a> <a href="https://toot.cat/tags/ThereIsNoWayItsDNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ThereIsNoWayItsDNS</span></a> <a href="https://toot.cat/tags/ItWasDNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ItWasDNS</span></a> <a href="https://toot.cat/tags/ItsComplicated" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ItsComplicated</span></a> <a href="https://toot.cat/tags/HistoryOfTheInternet" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HistoryOfTheInternet</span></a></p>