What's in a Name? Your Guide to the Wacky World of DNS
summary
Claims clear and actionable: launched about 500 websites, so expect practical war stories and common failure modes. Walkthroughs use concrete tools: use dig and who.is and show the Google Toolbox and Amazon Route 53 flows. Prelaunch checklist insists on a screenshot current DNS, verifying name servers, setting sensible TTLs and smoke‑testing production. Covers concrete fixes: missing www or catch‑all, creating mail CNAMEs and updating MX records, and how to debug propagation by testing mobile without Wi‑Fi.
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chapters (7)
- 0:00Intro
- 1:15What is DNS
- 3:55How does DNS work
- 6:28Prelaunch checklist
- 9:21DNS servers
- 16:33Troubleshooting
- 18:49Conclusion








