Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

Hacker News @hkrn@mstdn.social

1/19/2026, 6:07:28 PM

Public

What came first: the CNAME or the A record?
L: https://blog.cloudflare.com/cname-a-record-order-dns-standards/
C: https://news.ycombinator.com/item?id=46681611
posted on 2026.01.19 at 12:13:59 (c=1, p=6)

What came first- the CNAME or the A record

A recent change to 1.1.1.1 accidentally altered the order of CNAME records in DNS responses, breaking resolution for some clients. This post explores the technical root cause, examines the source code of affected resolvers, and dives into the inherent ambiguities of the DNS RFCs.

blog.cloudflare.com · The Cloudflare Blog

If you have a fediverse account, you can quote this note from your own instance. Search https://mstdn.social/users/hkrn/statuses/115923094660942987 on your instance and quote it. (Note that quoting is not supported in Mastodon.)