sing-box/docs/configuration/dns/index.md
2022-07-08 20:20:38 +08:00

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### Structure
```json
{
"dns": {
"servers": [],
"rules": [],
"final": "",
"strategy": "prefer_ipv6",
"disable_cache": false,
"disable_expire": false
}
}
```
### Fields
| Key | Format |
|----------|--------------------------------|
| `server` | List of [DNS Server](./server) |
| `rules` | List of [DNS Rule](./rule) |
#### final
Default dns server tag. the first server will be used if 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.