Use casesDNS & email security
Only in WhisperDNS & email security

Nameserver & DNS Delegation Audit

Check a domain's name servers for the misconfigurations that enable DNS hijacking.

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Free tier — no credit card. Runs up to 3 hops deep; Pro goes to 5.

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What this workflow does and how it uses the graph, plus the copy-paste recipes it's built from.

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DNS & Email Security Posture

Find out how easily someone could send mail as you. This grades a domain's email posture end to end — its sender authorisation, reporting setup, signing vendors, and mail servers — and flags the gaps that let attackers spoof your brand or that quietly hurt your deliverability. The one-look email-security health check.