Free email tools
Check your email setup in seconds.
Free checkers and generators for the DNS records that decide whether your email is trusted. No sign-up.
Email DNS checker
MX, SPF, DKIM, DMARC, MTA-STS and BIMI in one report.
SPF checker
Validate your SPF record and count its DNS lookups.
DKIM checker
Find a DKIM key by selector and check its length.
DMARC checker
Read your DMARC policy and reporting setup.
MX lookup
See which servers receive mail for a domain.
DMARC generator
Build a DMARC record step by step.
SPF generator
Build an SPF record for your email providers.