![SPF Records Explained – What Are They, How They Work, And How They Can Help In Email Authentication - DuoCircle SPF Records Explained – What Are They, How They Work, And How They Can Help In Email Authentication - DuoCircle](https://www.duocircle.com/wp-content/uploads/2021/01/spf-query-tool.jpg)
SPF Records Explained – What Are They, How They Work, And How They Can Help In Email Authentication - DuoCircle
GitHub - spf-tools/spf-tools: Shell scripts for taming the SPF (Sender Policy Framework) records in order to fight 10-maximum-DNS-look-ups limit.
![DMARCLY Safe SPF | Email Security, Authentication, Anti-Phishing, SPF, DKIM, DMARC Monitoring, and DMARC Analyzer DMARCLY Safe SPF | Email Security, Authentication, Anti-Phishing, SPF, DKIM, DMARC Monitoring, and DMARC Analyzer](https://dmarcly.com/assets/images/SPF-record-check-permerror-too-many-dns-lookups.png)