---
title: #dns
description: 7 articles about dns — guides and explainers from the WatchFor team.
canonical: https://watchfor.io/blog/tag/dns
---

[All posts](/blog)

# #dns

Articles tagged "dns".

[All](/blog)[Monitoring](/blog/category/monitoring)[Networking](/blog/category/networking)[Performance](/blog/category/performance)[Security](/blog/category/security)[Reliability](/blog/category/reliability)[Email](/blog/category/email)[DevOps](/blog/category/devops)[Engineering](/blog/category/engineering)

[All articles](/blog/all)

7 article s

[MonitoringSep 11, 2026

## The best DNS monitoring tools in 2026

Most tools that claim DNS monitoring resolve a name and check it answered. That catches an outage and misses everything that actually goes wrong with DNS — a record edited by the wrong person, propagation that stalled in one region, a nameserver that disagrees with its siblings.WatchFor Team4 min read](/blog/best-dns-monitoring-tools)[NetworkingAug 23, 2026

## DNS propagation is a myth: what's actually happening when your record 'takes 48 hours'

Nothing propagates. DNS changes don't spread across the internet — caches expire, one resolver at a time, on a timer you set yourself. Once you see it that way, migrations stop being scary: here's the TTL playbook, the myths that refuse to die, and the checks that tell you the truth.WatchFor Team4 min read](/blog/dns-propagation-myths)[NetworkingJun 12, 2026

## How DNS Works (and What 'Propagation' Really Means)

DNS is the internet's phonebook — and one of the most common causes of outages nobody understands. Here's how a domain name becomes an IP address, in plain English, plus what 'propagation' actually is.WatchFor Team4 min read](/blog/how-dns-works)[NetworkingMay 09, 2026

## DNS Record Types Explained: A, AAAA, CNAME, MX, TXT and more

Setting up a domain means meeting a zoo of record types — A, AAAA, CNAME, MX, TXT, NS. Here's what each one does, when to use it, and the gotchas that trip people up.WatchFor Team4 min read](/blog/dns-record-types-explained)[EmailApr 25, 2026

## Email Authentication Explained: SPF, DKIM & DMARC

If your emails land in spam — or scammers send mail pretending to be you — these three records are why. Here's what SPF, DKIM and DMARC do, how they work together, and how to set them up right.WatchFor Team4 min read](/blog/spf-dkim-dmarc-explained)[SecurityDec 04, 2025

## DNSSEC Explained: signing DNS so it can't be faked

DNS was built without security — answers can be forged, sending users to fake servers. DNSSEC adds cryptographic signatures so resolvers can verify DNS answers are genuine. Here's how.WatchFor Team3 min read](/blog/dnssec-explained)[EmailNov 30, 2025

## How to Set Up DMARC (step by step)

DMARC is what actually stops scammers spoofing your domain — but rushing it can block your own email. Here's the safe, staged way to roll it out from monitoring to full enforcement.WatchFor Team3 min read](/blog/dmarc-setup-guide)

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Canonical page: https://watchfor.io/blog/tag/dns · Site guide: https://watchfor.io/llms.txt