SPF Record Generator

Build an SPF record and count the lookups before it breaks.

What you provide

Domain

IPv4 addresses or ranges

These cost no DNS lookups, so prefer them where you can.

IPv6 addresses or ranges

Provider includes, one per line

Authorise the domain MX servers

Authorise the domain A record

Policy for everything else

SPF Record Generator on RunTheTests — free browser-based email tools, no sign-up.