[功能需求] 希望sing-box的dns能让用户指定端口号

[ximiTech]

Welcome

• [X] Yes, I'm using the latest major release. Only such installations are supported.
• [X] Yes, I'm using the latest Golang release. Only such installations are supported.
• [X] Yes, I've searched similar issues on GitHub and didn't find any.
• [X] Yes, I've included all information below (version, FULL config, FULL log, etc).

Description of the problem

希望sing-box的dns能实现让用户指定端口号的功能，目前使用homeproxy感觉很不错，就差这个dns指定端口号的功能，希望能够实现(passwall和openclash都支持此功能)。

Version of sing-box

```console $ sing-box version # Paste output here ```

1.3.3

Server and client configuration file

```console # paste json here ```

not needed

Server and client log file

```console # paste log here ```

not needed

[liaoliaots]

• tcp://x.x.x.x:3305
• udp://x.x.x.x:3306
• tls://x.x.x.x:3307
• https://x.x.x.x:3308/dns-query
• quic://xxx.com:3309
• h3://x.x.x.x:3310/dns-query

[ximiTech]

• tcp://x.x.x.x:3305
• udp://x.x.x.x:3306
• tls://x.x.x.x:3307
• https://x.x.x.x:3308/dns-query
• quic://xxx.com:3309
• h3://x.x.x.x:3310/dns-query

Where are these configs from ? It seems dns is not working with the port numbers ?