Use the free public SPF Record Checker to look up a domain’s SPF TXT record, review mechanisms in plain English, measure DNS lookups against the limit of 10, and get fix guidance for common mistakes.
Developer Documentation
SPF Record Checker
Public SPF lookup tool with plain-English guidance.
What it checks
- Whether an SPF record exists
- Multiple SPF records
- Syntax and mechanism parsing
- Lookup budget and nested includes
- Qualifier (
~all,-all,+all,?all) - Health score and prioritized recommendations