Instantly audit DNS, SPF, DKIM, DMARC, BIMI, MTA-STS, PTR records, SSL and domain registration. Get a health score and plain-English analysis.
We run checks across eight areas covering everything that affects your email security, deliverability and domain reputation.
Full email authentication audit with SPF mechanism breakdown, DKIM selector detection and DMARC policy grading.
A, MX, NS, CAA records with provider identification, redundancy checks and DNSSEC validation.
BIMI record detection and VMC validation, the standard that displays your logo in Gmail and Yahoo inboxes.
Checks whether inbound email must be delivered over verified TLS, and whether you receive TLS failure reports.
Validates that your MX server IPs have matching reverse DNS records, a key signal checked by receiving mail servers.
RDAP lookup for expiry date, registrar and dangerous status flags like clientHold or pendingDelete.
Google Safe Browsing status check, if flagged, email delivery to Gmail is effectively blocked.
Checks your domain and MX server IPs across 8 major DNS blacklists including Spamhaus ZEN, SpamCop, Barracuda BRBL and Spamhaus DBL.
Every warning and failure includes a plain-English explanation and the exact DNS record or config change needed.