SPF and DMARC Checker
Look up the SPF and DMARC records of a domain and see what they allow and how receivers should treat failures.
Press Enter to run.
This tool runs on our server: the address you enter is sent there to be looked up.
SPF lists the servers allowed to send mail for a domain. DMARC tells receiving servers what to do with mail that fails SPF and DKIM checks, and where to send reports.