Email Security Checker

Audit a domain’s email setup: mail servers, SPF policy and lookup count, DMARC policy and DKIM selectors — with a deliverability grade.

Related tools

DNS Lookup

A, AAAA, MX, NS, TXT, CNAME, SOA & CAA records

Reverse DNS Lookup

IP address → hostname (PTR)

Reverse IP Checker

Other domains hosted on the same IP

DNS Propagation Checker

Query 8 global public resolvers