lookup> SVCB

SVCB ·Record

General-purpose service binding

value 64activeRFC 9460

Quick facts

TypeSVCB

Value64

Statusactive

MeaningGeneral-purpose service binding

SpecificationRFC 9460

Purpose

What does a SVCB record do?

General-purpose service binding

SVCB is one of the DNS resource record (RR) types defined by RFC 9460.

Example

_foo.example.com. 3600 IN SVCB 1 svc.example.com. alpn=h2 port=8443

Related record types

Common uses

Common services

HTTPQUICdns

Frequently asked questions

General-purpose service binding, Parameterized endpoint discovery

In the DNS management panel of your registrar or DNS provider (for example Cloudflare or Route53).

Sources & standards

Updated 2026-08-18

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