Our blog shares expert insights on email security, DMARC configuration, and deliverability optimization.
A DKIM selector is the s= label that tells a receiving server which public key verifies your mail. Here is the selector each major provider uses, and two ways to find yours in under a minute.
Three ways to look up MX records for any domain: a free MX records lookup tool, dig and nslookup from a terminal, and a few lines of Ruby or Python.
Check your domain's DMARC, SPF, DKIM, and BIMI records in seconds. Our free DMARC checker provides a complete email authentication audit with actionable recommendations.
Marc's note on the guardrails inside our DMARC generator: report URI cleanup, external destination warnings, old syntax handling, and current DMARC record choices.
Monitoring your domains since 2023... that's 2 years of DMARCTrust! We remind you about our free tools and pitch our monitoring plans starting at $19/month. No limits, just results.
Hire an email deliverability consultant who has shipped billions of emails. Free assessment, hands-on engagement, written quote before any work starts.
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