Introduces a site that gives you a free subdomain on a live DNS server and shows incoming queries in real time, with experiments in weird, useful and tutorial groups. The post also describes how it was built.
Read the full article on jvns.caSource: New tool: Mess with DNS! by Julia Evans. Licence: Link only (©).
A Netlify staff support guide on connecting a new or existing domain to a site, comparing External DNS (recommended) with Netlify DNS. Reminds you to copy existing records, especially email ones, before changing nameservers, and to allow 24-48 hours before asking for help.
Netlify's docs for pointing a custom domain at a site. For external DNS it lists the record to use: ALIAS/ANAME to apex-loadbalancer.netlify.com or an A record where flattening is unavailable, and a CNAME for www and other subdomains. Verify with dig after propagation.
Cloudflare's guide to creating, editing and deleting DNS records in a zone. It explains the record fields (proxy status, TTL, comments) and gives examples such as updating an origin IP or using placeholder addresses for originless domains.