ANSSI Reco-Messagerie §2.4
FCrDNS (PTR cohérent) recommandé
UnveilScan findings mapped to this control
The scanner emits 1 distinct finding on this control. Click "Scan a domain" below to see which of them currently apply to your site, with copy-paste remediation snippets (nginx, Apache, DNS BIND, web-server config).
email.ptr_mismatch
⏱ 1h
EMAIL — Ptr mismatch
Risk if ignored: FCrDNS mismatch pushes your reputation score down — deliverability erodes over weeks.
operational