Building an authoritative DNS server in ~200 lines 0 ▲ chs.us — Carl Sampson 11 hours ago · Tech · hide · 0 comments An OAST platform needs to own a zone and answer anything under it. Here's a from-scratch authoritative DNS server — wildcards, apex records, deliverable MX, and answering your own ACME challenges — and the protocol subtleties that bite. No comments yet. Log in to reply on the Fediverse. Comments will appear here.