Free Tools
DNS Tool· Free Tool
SPF Checker
Validate your Sender Policy Framework record
SPF (Sender Policy Framework) is a DNS record that specifies which mail servers are authorized to send email for your domain. A correctly configured SPF record helps prevent email spoofing and improves deliverability.
Enter Domain
Enter a domain name without http:// or www.
Need bulk email verification?
These free tools are single checks. EndBounce verifies millions of emails at scale with 99.9% accuracy.