How to set up alerts for DNS record changes?

DNS change monitoring approaches:

Monitoring services:

DNS Spy, Datadog, Pingdom

Alert on any record modification

Historical tracking of changes

Provider features:

Some DNS hosts have audit logs and alerts

API-based change notifications

Custom monitoring:

Script to periodically query and compare records

Alert if expected records change

Store baseline and compare

What to monitor:

MX records (mail routing hijacking)

SPF/DKIM/DMARC (authentication changes)

A records (server redirection)

Unexpected changes could indicate compromise or accidental modification.

Watchman service for your registry entries. Alert if anyone modifies your filed documents.