Skip to content
YAS.SH

Email & DNS cutover validation

Verify the DNS and authentication side of an email migration.

Compare a planned mail configuration with externally visible DNS during cutover and the critical days after.

Built for MSPs and IT migration teams.

The outcome

Reduce avoidable mail outages during high-stakes changes.

Open live posture check

What it verifies

Provider-specific target-state checks
DNS propagation visibility
Clear safe-to-cut-over checklist

YAS reports externally observable technical signals. It does not claim that a single scan makes a domain compliant, secure, or deliverable; review findings in the context of your environment.

🍪 Cookies & privacy. yas.sh uses essential cookies for authentication and preferences. When monetization is active, Google AdSense may use cookies for ad measurement and personalization. See our cookie policy and privacy policy.
Settings