What is Domain Name System Security Extensions?

Domain Name System Security Extensions (DNSSEC) is a Application Layer protocol in the DNS category. Extensions to DNS that provide authentication of DNS data, verified denial of existence, and data integrity through digital signatures.

What port does DNSSEC use?

DNSSEC uses port 53 by default. The protocol is defined in RFC 4033.

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Domain Name System Security Extensions

Application Layer — DNS

Aperçu du protocole

Nom complet Domain Name System Security Extensions

Abréviation DNSSEC

Couche OSI Application Layer

Catégorie DNS

Port par défaut 53

RFC RFC 4033

À propos DNSSEC

Extensions to DNS that provide authentication of DNS data, verified denial of existence, and data integrity through digital signatures.

Application Layer DNS Port 53

Référence des standards

DNSSEC est défini dans RFC 4033, publié par l'Internet Engineering Task Force (IETF). Les RFCs sont les documents de normes officiels pour les protocoles internet et sont disponibles gratuitement pour examen public.

Protocoles associés — Application Layer

HTTP Hypertext Transfer Protocol HTTPS HTTP Secure HTTP/2 HTTP/2 HTTP/3 HTTP/3 WS WebSocket SMTP Simple Mail Transfer Protocol IMAP Internet Message Access Protocol POP3 Post Office Protocol v3