2.9 KiB
!!! quote "Changes in sing-box 1.9.0"
:material-plus: [client_subnet](#client_subnet)
Structure
{
"dns": {
"servers": [
{
"tag": "",
"address": "",
"address_resolver": "",
"address_strategy": "",
"strategy": "",
"detour": "",
"client_subnet": ""
}
]
}
}
Fields
tag
The tag of the dns server.
address
==Required==
The address of the dns server.
| Protocol | Format |
|---|---|
System |
local |
TCP |
tcp://1.0.0.1 |
UDP |
8.8.8.8 udp://8.8.4.4 |
TLS |
tls://dns.google |
HTTPS |
https://1.1.1.1/dns-query |
QUIC |
quic://dns.adguard.com |
HTTP3 |
h3://8.8.8.8/dns-query |
RCode |
rcode://refused |
DHCP |
dhcp://auto or dhcp://en0 |
| FakeIP | fakeip |
!!! warning ""
To ensure that Android system DNS is in effect, rather than Go's built-in default resolver, enable CGO at compile time.
!!! info ""
the RCode transport is often used to block queries. Use with rules and the `disable_cache` rule option.
| RCode | Description |
|---|---|
success |
No error |
format_error |
Format error |
server_failure |
Server failure |
name_error |
Non-existent domain |
not_implemented |
Not implemented |
refused |
Query refused |
address_resolver
==Required if address contains domain==
Tag of a another server to resolve the domain name in the address.
address_strategy
The domain strategy for resolving the domain name in the address.
One of prefer_ipv4 prefer_ipv6 ipv4_only ipv6_only.
dns.strategy will be used if empty.
strategy
Default domain strategy for resolving the domain names.
One of prefer_ipv4 prefer_ipv6 ipv4_only ipv6_only.
Take no effect if overridden by other settings.
detour
Tag of an outbound for connecting to the dns server.
Default outbound will be used if empty.
client_subnet
!!! question "Since sing-box 1.9.0"
Append a edns0-subnet OPT extra record with the specified IP prefix to every query by default.
If value is an IP address instead of prefix, /32 or /128 will be appended automatically.
Can be overrides by rules.[].client_subnet.
Will overrides dns.client_subnet.