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SVCB

SVCB adds a Service Binding recordarrow-up-right to a domain. The name should be the relative label for the record. Use @ for the domain apex.

The priority must be a positive number, the address should be an ip address, either a string, or a numeric value obtained via IP.

The params may be configured to specify the alpn, ipv4hint, ipv6hint, ech or port setting. Several params may be joined by a space. Not existing params may be specified as an empty string ""

Modifiers can be any number of record modifiersarrow-up-right or JSON objects, which will be merged into the record's metadata.

dnsconfig.js
D("example.com", REG_MY_PROVIDER, DnsProvider(DSP_MY_PROVIDER),
  SVCB("@", 1, ".", "ipv4hint=123.123.123.123 alpn=h3,h2 port=443"),
);

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