# DNS doesn't "propagate"

<https://jvns.ca/blog/2021/12/06/dns-doesn-t-propagate/>

- Host: [jvns.ca](https://links.thingelstad.xyz/hosts/jvns.ca/)
- Saved: December 7, 2021 (2021-12-07T12:42:10Z)
- Record: https://links.thingelstad.xyz/links/f1722a8c33ef/
- JSON: https://links.thingelstad.xyz/links/f1722a8c33ef.json

## What Jamie wrote

If your curious to know how the Domain Name System manages records, and in effect runs a giant, always-on, distributed database this has some good info. It also helps to clearly understand the role caching plays in DNS records and why changes can happen fast or slow.

## Facts

- Kind: [Page](https://links.thingelstad.xyz/kinds/page/)

## Appears in

- [WT207: Weekly Thing #207 / Architecture, Contrarian, Storytelling](https://weekly.thingelstad.com/archive/207/), Notable

## Same host

- [Firecracker: start a VM in less than a second](https://links.thingelstad.xyz/links/7c58a859cf9e/) (jvns.ca, January 27, 2021)
- [Things your manager might not know](https://links.thingelstad.xyz/links/0edb8e718fec/) (jvns.ca, March 4, 2021)
- [What is the OSI model?](https://links.thingelstad.xyz/links/82ef5955cd49/) (jvns.ca, May 13, 2021)
- [Blog about what you've struggled with](https://links.thingelstad.xyz/links/9835025eade8/) (jvns.ca, May 27, 2021)
- [Reasons for servers to support IPv6](https://links.thingelstad.xyz/links/349993edfa1e/) (jvns.ca, February 1, 2022)

## Saved the same week

- [How to Become a Crypto Person: A Normie’s Guide](https://links.thingelstad.xyz/links/dbcc72998427/) (nymag.com, December 7, 2021)
- [Endgame](https://links.thingelstad.xyz/links/d1cf124c4803/) (vitalik.ca, December 7, 2021)
- [Making Something Social Destroys the Truth of It](https://links.thingelstad.xyz/links/3f34d4894e25/) (nav.al, December 7, 2021)
- [Tisbest Charity Gift Cards Make Charitable Giving Fun](https://links.thingelstad.xyz/links/5fb60b45ee90/) (tisbest.org, December 7, 2021)
- [Miniature 3456 LED cube – Willem Pennings](https://links.thingelstad.xyz/links/f95f18d308b6/) (willempennings.nl, December 8, 2021)

## Elsewhere

- Wayback Machine: https://web.archive.org/web/*/https://jvns.ca/blog/2021/12/06/dns-doesn-t-propagate/