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DNSSEC Explained

7 min read Protocols & Standards

DNSSEC adds cryptographic signatures to DNS records, enabling verification of DNS response authenticity.

What is DNSSEC?

DNSSEC uses public key cryptography to sign DNS records, allowing resolvers to verify responses haven't been tampered with.

How DNSSEC Works

A chain of trust from root servers down to individual records ensures authenticity at each level.

Benefits

  • Authentication - Verify DNS responses are legitimate.
  • Integrity - Detect tampering with DNS data.

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