thoughts personal blog

Fun with DNS TXT Records

by Denis Khoshaba thoughts.theden.sh published 2023-07-103 min read

TXT Record Specification Primer # Reading through the RFC Using the Domain Name System To Store Arbitrary String Attributes to summarise the relevant part: Any printable ASCII character is permitted for the attribute name. More importantly, on the restrictions section Some DNS server implementations place limits on…

Points

198

HN comments

64

Submissions

1

Cited by

0 commenters

Networking & InternetTools & Productivity2023

Related posts from the same era

WiFi without internet on a Southwest flight

James Vaughan20231,756 points652 comments details

ISPs should not police online speech no matter how awful it is

EFF Deeplinks20231,460 points1,256 commentscited by 5 details

Block YouTube ads on AppleTV by decrypting and stripping ads from Profobuf

Eric Draken20231,198 points1,052 comments details

Home Assistant blocked from integrating with Garage Door opener API

Home Assistant Blog20231,181 points640 commentscited by 7 details

Can’t send email more than 500 miles (2002)

MIT20231,164 points617 commentscited by 50 details

The Wi-Fi only works when it's raining

Predrag Gruevski20241,147 points436 commentscited by 3 details