DNS hygiene notes for a zero-trust network
Nathan Chadwick · · 1 min read
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TLDRRead the short version
- Log queries at resolvers you control and consider a protective DNS service.
- Unexpected NXDOMAIN bursts often precede larger issues, so watch for them.
- Align internal zones with device trust signals rather than mirroring the public internet blindly with flat internal DNS.
On this page
Visibility#
Log queries at resolvers you control, and consider a protective DNS service. Unexpected NXDOMAIN bursts often precede larger issues.
Policy#
Align internal zones with device trust signals; avoid flat internal DNS that mirrors the public internet blindly.
References#
Sources and further reading for the claims above.
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