- ‘Android 12: The Ars Technica Review’ by Ron Amadeo for Ars Technica
- ‘Analyzing a watering hole campaign using macOS exploits’ by Erye Hernandez for the Google Threat Analysis Group blog
- ‘Rosalía’s New Bachata Video, “La Fama,” Highlights the White-Washing Issue Overwhelming Black Latinx Music’ by Johanna Ferreira for PopSugar
- ‘Fifty percent of Facebook Messenger’s total voice traffic comes from Cambodia. Here’s why’ by Vittoria Elliott and Bopha Phorn for Rest of World
- ‘Notes from NANOG 83’ by Geoff Huston for the APNIC blog
Understanding DNS: TTLs and Caching
In my last post in this series I talked about common DNS record types, in this I am going to be talking about how the concept of TTLs (Time To Live) and caching are used in DNS.
The two concepts are interlinked in DNS, let’s get into it.
Continue reading “Understanding DNS: TTLs and Caching”What I’ve Read This Week (November 8 2021 to November 14 2021)
- ‘Code quality: a concern for businesses, bottom lines, and empathetic programmers’ by Isaac Lyman for the Stack Overflow blog
- ‘The Art of Hand-Carving Headstones Isn’t Dead Yet’ by Alisha McDarris for Atlas Obscura
- ‘So what is “the metaverse,” exactly?’ by Kyle Orland for Ars Technica
- ‘How macOS is more reliable, and doesn’t need reinstalling’ by Howard Oakley
- ‘The Booming Underground Market for Bots That Steal Your 2FA Codes’ by Joseph Cox for Motherboard
- ‘Threema: Three Strikes, You’re Out’ by Soatok
- ‘South African students are selling school Wi-Fi passwords for lunch money’ by Kimberly Mutandiro for Rest of World
- ‘Apple, Its Control Over the iPhone, and The Internet’ by Matthew Ball
Understanding DNS: Common Record Types
In my last post in this series I talked about authoritative nameservers and what they do. Their function is responding to queries for domain names they are authoritative for. These queries are for specific record types; in this post I will be talking about common record types you will encounter in your use of the DNS.
For the sake of simplicity and ease of understanding I’m limiting this post to the most common record types i.e records you are most likely to encounter and use in your day-to-day use of the DNS. These are not all the record types that are available for use in the DNS.
Let’s get started.
Continue reading “Understanding DNS: Common Record Types”What I’ve Read This Week (November 1 2021 to November 7 2021)
- ‘DNS openness’ by Geoff Huston for the APNIC blog
- ‘Dune Has a Desert Problem’ by Roxana Hadidi for Vulture
- ‘Pixel 6 review: Google Hardware finally lives up to its potential’ by Ron Amadeo for Ars Technica
- ‘Apple’s M1 Pro, M1 Max SoCs Investigated: New Performance and Efficiency Heights’ by Andrei Frumusanu for AnandTech