SPF Record Generator

Pick the email senders you use. We'll build a correct SPF TXT record and count the DNS lookups it'll cost so you don't trip the 10-lookup RFC cap.

Email senders you use

Permits your inbound mail servers to also send. +1 DNS lookup.

Permits your web server's IP to send mail. +1 DNS lookup.

Typed IPs cost zero DNS lookups — preferred over include: when the sender is static.

Want continuous monitoring?

This tool is a one-shot check. PhishFence watches your domain 24/7 for DMARC changes, new lookalike registrations, and spoofing attempts.

Start free monitoring