Tools
All tools
Check, generate and understand email records before changing production DNS.
Email Health Check
Score your MX, SPF, DKIM and DMARC setup.
Read guide →SPF Checker — Check SPF Record Online
Check an SPF record online for syntax errors, duplicate records and DNS lookup risks.
Read guide →SPF Generator
Create a safer SPF record.
Read guide →DMARC Generator
Build a staged DMARC policy.
Read guide →DMARC Checker — Check DMARC DNS Record
Check a domain's DMARC DNS record, policy and common configuration issues.
Read guide →MX Lookup — Check Mail Server Records
Look up MX records and see which mail servers receive email for a domain.
Read guide →DKIM Checker
Check a DKIM selector.
Read guide →Email DNS Checker — MX, SPF & DMARC
Check a domain's email DNS records, including MX, SPF, DMARC and authoritative nameservers.
Read guide →DNS Propagation Checker
Compare MX and TXT answers from independent public DNS resolvers.
Read guide →Domain Price Comparison
Compare registration and renewal prices before buying a domain.
Read guide →Email Signature
Generate a clean HTML signature.
Read guide →