Free tools to help you manage and optimize your email authentication.
Create properly formatted DMARC DNS records with our easy-to-use interactive generator.
Build valid SPF records to authorize your mail servers with IP addresses and includes.
Check DMARC, SPF, and DKIM records for up to 50 domains at once with CSV export.
Parse and analyze any DMARC record to understand what each tag means.
Start by checking your current DMARC, SPF, and DKIM configuration.
Free DMARC Checker →