SPF Record Generator

Assemble an SPF TXT record from your senders (mx, a, ip4, includes) and pick the right -all / ~all policy.

authorise mx hostsauthorise a record

IPv4 addresses / CIDRs (space or comma separated)IPv6 addresses / CIDRsincludes (e.g. _spf.google.com)Policy for everything else

SPF record (TXT at the domain root)

v=spf1 mx ip4:203.0.113.10 include:_spf.google.com ~all

Publish exactly one SPF record per domain. The mx, a and each include count toward a hard limit of 10 DNS lookups — you're at ~2.

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