Security Architecture Overview: cloudflare.com
Cloudflare is a global leader in web security, DDoS mitigation, and edge compute. Cloudflare.com features strict DMARC p=reject with strict alignment (aspf=s, adkim=s), DNSSEC signing, and post-quantum cryptography support.
Key Anti-Spoofing & Cryptographic Highlights
Strict Alignment (aspf=s, adkim=s): Requires exact domain matches without subdomain inheritance leniency.
Universal DNSSEC & Origin Protection: Full cryptographic integrity across DNS responses.
Frequently Asked Questions
What makes Cloudflare's DMARC policy unique?
Cloudflare enforces strict alignment (aspf=s and adkim=s), which requires exact domain matching rather than relaxed subdomain matching.