sing-box/docs/configuration/dns/index.md

Structure

{
  "dns": {
    "servers": [],
    "rules": [],
    "final": "",
    "strategy": "prefer_ipv6",
    "disable_cache": false,
    "disable_expire": false
  }
}

Fields

Key	Format
server	List of DNS Server
rules	List of DNS Rule

final

Default dns server tag, the first one will be used if it is empty.

strategy

Default domain strategy for resolving the domain names.

One of prefer_ipv4 prefer_ipv6 ipv4_only ipv6_only.

disable_cache

Disable dns cache.

disable_expire

Disable dns cache expire.