DomainPulse
FREE DOMAIN TOOL

SPF Record Check

Validate authorized sending infrastructure and SPF evaluation complexity.

What DomainPulse checks

SPF syntax, include and redirect recursion, loops and the ten DNS-lookup limit.

Common problems

Multiple policies, PermError, recursion loops and unsafe lookup growth.

FAQ

Is ~all always wrong?

No. Policy choice depends on rollout state and legitimate senders.

Why ten lookups?

SPF evaluation permits at most ten DNS-triggering mechanisms and redirects.