Live SPF checker
Check SPF records in real time.
Enter a domain to find its SPF record and understand sender policy signals used by receiving mail servers.
What SPF does
SPF stands for Sender Policy Framework. It helps receiving mail servers determine whether incoming messages were sent from approved infrastructure.
Why SPF matters
Missing or misconfigured SPF records can contribute to spam filtering, spoofing concerns, and inconsistent deliverability.
Check DMARC next →