Email authentication
Inspect email DNS and understand SPF, DKIM and DMARC policies.
Explore the tools
4 focused tools, with an explanation and a practical guide for each check.
Network
← All Network & DNS toolsEmail domain security
Inspect MX, SPF, DMARC and a chosen DKIM selector with configuration-specific findings.
Network requestNetworkSPF policy analyser
Parse a pasted SPF policy, identify qualifiers and count direct DNS-using terms.
Local analysisNetworkDMARC policy analyser
Read a pasted DMARC record and review policy, alignment, reporting and percentage tags.
Local analysisNetworkDKIM public key inspector
Inspect a pasted DKIM key record, its key type, flags and public-key size.
Local analysis