DNS TTL Explained: How Caching Affects Your Website and How to Use It
Every DNS record has a TTL value, measured in seconds.
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Every DNS record has a TTL value, measured in seconds.
Cloudflare published a detailed post-mortem.
The consequences are immediate, escalating, and in the worst case, irreversible.
When something breaks (email stops delivering, a website goes down, a subdomain starts serving the wrong content), the client calls you.
## Step 1: Connect Your DNS Provider After creating your ZoneWatcher account, the first thing you'll do is connect a DNS provider.
Here's how to do it cleanly.
This is a subdomain takeover.
DNS changes are infrastructure changes.
DNS hijacking is the act of redirecting a domain's traffic by modifying its DNS records without authorization.
This guide covers the record types you'll actually encounter: from the basics everyone should know to the newer types that are increasingly relevant.
DNSSEC (Domain Name System Security Extensions) adds cryptographic signatures to DNS responses.
If you manage a domain that sends email, these three records are not optional.
Think of it as a phone book, except it's distributed across thousands of servers worldwide and responds in milliseconds.
February brought a wave of new provider support and API improvements.
SSL/TLS certificate expiration is one of the most preventable incidents in infrastructure.
Some DNS records change constantly, you can now suppress specific record types that you don't need to alert on.
Gathering evidence for compliance audits is tedious. ZoneWatcher now makes it easy for your DNS change reports.
We've rebuilt ZoneWatcher from the ground up.
Fast flux DNS attacks represent a significant and evolving threat to organizations worldwide. Learn how ZoneWatcher's continuous monitoring helps detect and protect against this dangerous technique used by cybercriminals and nation-state actors.
Not all DNS changes are created equal.
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