Email Auth

MX Lookup SPF Lookup DKIM Lookup DMARC Lookup PTR Record Header Analyzer

DNS Records

A Record AAAA Record CNAME Record NS Record TXT Record SOA Record SRV Record CAA Record

Security

Blacklist Check DNSBL Directory

MX Lookup

Look up mail exchange servers

Trygoogle.com·qq.com·github.com

SPF Lookup DKIM Lookup DMARC Lookup Blacklist Check A Record