Domain Name System

DNS translates domain names (like example.com) into IP addresses. Cloudflare runs one of the world's fastest and most resilient authoritative DNS services.

Key Ideas

• Cloudflare is the #1 managed DNS provider by market share
• Authoritative DNS — Cloudflare acts as the authoritative nameserver for your domain
• DNS filtering — 1.1.1.1 offers public DNS resolution with privacy guarantees
• DNSSEC support for cryptographic verification of DNS records

Record Types

• A/AAAA — Map domain to IPv4/IPv6 address
• CNAME — Alias one domain to another
• MX — Mail exchange records
• TXT — Text records for verification (SPF, DKIM, DMARC)
• SRV — Service location records

Related

• Configure Dns — Managing DNS records
• Ddos Protection — DNS-based DDoS mitigation
• Cloudflare — Platform overview