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YAS.SH

DNS drift & Subdomain Takeover Defender

Know when the records that anchor your domain change.

Build a history of DNS records, alert on consequential drift in mail and certificate controls, and detect dangling CNAME records.

Built for DevOps teams and MSPs.

The outcome

Make DNS changes inspectable and prevent takeover vulnerabilities.

Launch DNS Sentinel

What it verifies

A, AAAA, MX, TXT, NS, SOA, CNAME and CAA coverage
Dangling CNAME takeover defense across AWS S3, GitHub, Vercel & Azure
TTL-aware verification to reduce alert noise

YAS reports externally observable technical signals. Review findings in the context of your environment.

Ask YAS AI
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