DOH 获得解析地址后仍解析失败&有时DOH解析IPv6地址为空

[simplerick-simplefun]

What version of V2Ray are you using?

v4.45.2

问题描述：

问题一： 1.v2ray在通过内置DNS进行解析时，尝试解析bl3302files.storage.live.com。 2.内置DNS匹配到了规则，并列出了解析顺序：DOH//dns.google UDP:1.1.1.1:53.................. 3.通过DOH//dns.google解析得到了A地址。（因为我设置的是只解析/连接IPv4） 4.报错：通过DOH//dns.google解析bl3302files.storage.live.com失败。 5.开始尝试下一个：通过UDP:1.1.1.1:53解析bl3302files.storage.live.com。

问题就是第4步。既然已经解析出了A地址，就不应该报错认为解析失败，还去尝试下一个DNS服务器。应该使用已经解析出来的地址进行下一步的连接。

问题二： 有时通过DOH解析AAAA地址为空。但是实际是可以解析出IPv6地址的。

Log:（问题一）

2022/07/16 14:05:42 [Debug] app/dns: domain bl3302files.storage.live.com matches following rules: [geosite:geolocation-!cn(DNS idx:3) geosite:geolocation-!cn(DNS idx:5)] 2022/07/16 14:05:42 [Debug] app/dns: domain bl3302files.storage.live.com will use DNS in order: [DOH//dns.google UDP:1.1.1.1:53 DOHL//120.53.53.53 UDP:223.5.5.5:53] 2022/07/16 14:05:42 [Info] app/dns: DOH//dns.google querying: bl3302files.storage.live.com. 2022/07/16 14:05:42 [Info] app/dns: DOH//dns.google got answer: bl3301files.storage.live.com. TypeA -> [13.107.42.12] 308.824ms 2022/07/16 14:05:42 [Info] app/proxyman/outbound: failed to process outbound traffic > proxy/trojan: connection ends > context canceled 2022/07/16 14:05:42 [Info] app/dns: DOH//dns.google got answer: blufiles.storage.live.com. TypeA -> [13.107.42.12] 340.673462ms 2022/07/16 14:05:42 [Info] app/proxyman/outbound: failed to process outbound traffic > proxy/trojan: connection ends > context canceled 2022/07/16 14:05:42 [Error] app/dns: failed to retrieve response > Post "https://dns.google/dns-query": io: read/write on closed pipe 2022/07/16 14:05:46 [Info] app/dns: failed to lookup ip for domain bl3302files.storage.live.com at server DOH//dns.google > context deadline exceeded 2022/07/16 14:05:46 [Debug] app/dns: UDP:1.1.1.1:53 querying DNS for: bl3302files.storage.live.com.

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