The Peterman Pod· Folge 71

The Story Behind Creating DNS | Paul Mockapetris

Montag, 19. Oktober 2026 · 54 min

MP3

Shownotes

This interview is with Paul Mockapetris, the creator of the internet's Domain Name System (DNS). I talked to him about the story behind building it and certain design choices he made.

• My ergonomic keyboard project I mentioned, you can follow along here: read.compose.llc
• The Kickstarter page for it: kickstarter.com/projects/ryanlpeterman/compose…

Podcast links:

• YouTube: youtube.com/watch?v=LT4iVeUoL18
• Apple: podcasts.apple.com/us/podcast/the-peterman-pod…
• Transcript: developing.dev/p/e071-paul-mockapetris

Thank you to this episode's sponsor for supporting my work:

• WorkOS: makes your app Enterprise Ready with easy to use APIs to add SSO, SCIM, RBAC, and more in just a few lines of code, check them out at workos.com

Timestamps:

() Intro
() What computing was like before DNS
() Why URLs are inverted
() How DNS works
() How he migrated the internet to DNS
() Why do companies host DNS servers
() What is an RFC
() How he got into computing
() Advice for his younger self
() Outro

Where to find Paul:

• Wikipedia: en.wikipedia.org/wiki/Paul_Mockapetris

Where to find Ryan:

• Newsletter: developing.dev
• X/Twitter: x.com/ryanlpeterman
• LinkedIn: linkedin.com/in/ryanlpeterman
• Threads: threads.com/@ryanlpeterman
• Instagram: instagram.com/ryanlpeterman
• TikTok: tiktok.com/@ryanlpeterman

Referenced in this episode:

• Original DNS RFC 882: rfc-editor.org/info/rfc882
• Original DNS RFC 883: rfc-editor.org/info/rfc883

0:00 / 0:00