SPF Builder & Checker

Build and validate SPF records for your domain

Domain Name

IPv4 Addresses / CIDR Ranges

IPv6 Addresses / CIDR Ranges

Other Server Hostnames (adds a:hostname)

3rd Party Senders (include:)

SPF Policy Strictness

Generated SPF Record

v=spf1 ~all

DNS lookups: 0/1011 characters

Add as a TXT record for yourdomain.com

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