Sing-Box DNS 搭配 ChinaDNS-NG 食用有一点点小问题 #2937

mm11253 · 2024-02-21T12:24:22Z

mm11253
Feb 21, 2024

目前只发现 www.youtube.com 这个域名解析有问题，而且只有 www 这个子域名有问题，youtube.com 和 m.youtube.com 都是正常的，换成 dns2tcp 全部都恢复正常了。想知道这是哪边的问题？

具体表现为：Windows 系统能打开 YouTube，Ubuntu 系统不行，在 OpenWrt 上用 dig 测了下 ChinaDNS-NG 端口 (15354) 和可信 DNS 端口 (15353)，结果如下：

root@OpenWrt:~# dig www.youtube.com -p 15354
;; Truncated, retrying in TCP mode.
;; Connection to 127.0.0.1#15354(127.0.0.1) for www.youtube.com failed: connection refused.
;; no servers could be reached

;; Connection to 127.0.0.1#15354(127.0.0.1) for www.youtube.com failed: connection refused.
;; no servers could be reached

;; Connection to 127.0.0.1#15354(127.0.0.1) for www.youtube.com failed: connection refused.
;; Connection to ::1#15354(::1) for www.youtube.com failed: connection refused.
;; no servers could be reached

root@OpenWrt:~# dig www.youtube.com -p 15353
;; Truncated, retrying in TCP mode.

; <<>> DiG 9.18.24 <<>> www.youtube.com -p 15353
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 65140
;; flags: qr rd ra; QUERY: 1, ANSWER: 17, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;www.youtube.com.		IN	A

;; ANSWER SECTION:
www.youtube.com.	176	IN	CNAME	youtube-ui.l.google.com.
youtube-ui.l.google.com. 176	IN	A	142.250.66.46
youtube-ui.l.google.com. 176	IN	A	142.250.66.142
youtube-ui.l.google.com. 176	IN	A	142.250.199.78
youtube-ui.l.google.com. 176	IN	A	142.250.204.46
youtube-ui.l.google.com. 176	IN	A	172.217.27.14
youtube-ui.l.google.com. 176	IN	A	142.250.204.110
youtube-ui.l.google.com. 176	IN	A	142.250.204.78
youtube-ui.l.google.com. 176	IN	A	142.251.222.206
youtube-ui.l.google.com. 176	IN	A	172.217.27.46
youtube-ui.l.google.com. 176	IN	A	142.250.207.78
youtube-ui.l.google.com. 176	IN	A	172.217.24.110
youtube-ui.l.google.com. 176	IN	A	172.217.24.238
youtube-ui.l.google.com. 176	IN	A	172.217.25.14
youtube-ui.l.google.com. 176	IN	A	142.250.66.110
youtube-ui.l.google.com. 176	IN	A	172.217.31.14
youtube-ui.l.google.com. 176	IN	A	142.250.66.78

;; Query time: 0 msec
;; SERVER: 127.0.0.1#15353(127.0.0.1) (TCP)
;; WHEN: Wed Feb 21 19:56:26 CST 2024
;; MSG SIZE  rcvd: 709

Windows：

PS C:\> nslookup www.youtube.com
服务器:  OpenWrt.lan
Address:  192.168.1.1

非权威应答:
非权威应答:
名称:    www.youtube.com

PS C:\> ping www.youtube.com

正在 Ping youtube-ui.l.google.com [172.217.31.14] 具有 32 字节的数据:

mm11253 · 2024-02-21T12:27:00Z

mm11253
Feb 21, 2024
Author

使用 dns2tcp 后 15354 端口：

root@OpenWrt:~# dig www.youtube.com -p 15354

; <<>> DiG 9.18.24 <<>> www.youtube.com -p 15354
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29768
;; flags: qr rd ra; QUERY: 1, ANSWER: 17, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;www.youtube.com.		IN	A

;; ANSWER SECTION:
www.youtube.com.	182	IN	CNAME	youtube-ui.l.google.com.
youtube-ui.l.google.com. 182	IN	A	172.217.24.238
youtube-ui.l.google.com. 182	IN	A	142.251.220.14
youtube-ui.l.google.com. 182	IN	A	142.250.204.142
youtube-ui.l.google.com. 182	IN	A	172.217.25.14
youtube-ui.l.google.com. 182	IN	A	142.250.204.78
youtube-ui.l.google.com. 182	IN	A	172.217.31.14
youtube-ui.l.google.com. 182	IN	A	216.58.200.238
youtube-ui.l.google.com. 182	IN	A	172.217.24.110
youtube-ui.l.google.com. 182	IN	A	142.251.220.46
youtube-ui.l.google.com. 182	IN	A	142.250.204.46
youtube-ui.l.google.com. 182	IN	A	172.217.27.46
youtube-ui.l.google.com. 182	IN	A	172.217.27.14
youtube-ui.l.google.com. 182	IN	A	142.250.204.110
youtube-ui.l.google.com. 182	IN	A	142.250.199.78
youtube-ui.l.google.com. 182	IN	A	216.58.203.78
youtube-ui.l.google.com. 182	IN	A	172.217.24.78

;; Query time: 59 msec
;; SERVER: 127.0.0.1#15354(127.0.0.1) (UDP)
;; WHEN: Wed Feb 21 20:25:56 CST 2024
;; MSG SIZE  rcvd: 334

0 replies

mm11253 · 2024-02-21T12:47:16Z

mm11253
Feb 21, 2024
Author

ChinaDNS-NG 日志看起来感觉没什么问题，@zfl9 大佬可以帮忙看看是啥原因吗😂：

�[32;1m2024-02-21 12:34:50 I�[0m �[1m[main.c:155 handle_local_packet]�[0m query [www.youtube.com] from 127.0.0.1#47593 (9)
�[32;1m2024-02-21 12:34:50 I�[0m �[1m[main.c:203 handle_local_packet]�[0m forward [www.youtube.com] to 127.0.0.1#15353 (trustdns)
�[32;1m2024-02-21 12:34:50 I�[0m �[1m[main.c:342 handle_remote_packet]�[0m reply [www.youtube.com] from 127.0.0.1#15353 (9), result: accept
�[32;1m2024-02-21 12:34:50 I�[0m �[1m[main.c:344 handle_remote_packet]�[0m add the answer ip of name-tag:gfw [www.youtube.com] to ipset

0 replies

SakuraFallingMad · 2024-02-21T13:26:05Z

SakuraFallingMad
Feb 21, 2024

root@ImmortalWrt:~# dig www.youtube.com -p 15354

; <<>> DiG 9.18.24 <<>> www.youtube.com -p 15354
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 32190
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; MBZ: 0x011a, udp: 1232
;; QUESTION SECTION:
;www.youtube.com.		IN	A

;; ANSWER SECTION:
www.youtube.com.	282	IN	CNAME	youtube-ui.l.google.com.
youtube-ui.l.google.com. 282	IN	A	142.251.43.14
youtube-ui.l.google.com. 282	IN	A	172.217.163.46
youtube-ui.l.google.com. 282	IN	A	172.217.160.110
youtube-ui.l.google.com. 282	IN	A	142.251.42.238
youtube-ui.l.google.com. 282	IN	A	172.217.160.78

;; Query time: 90 msec
;; SERVER: 127.0.0.1#15354(127.0.0.1) (UDP)
;; WHEN: Wed Feb 21 21:21:06 CST 2024
;; MSG SIZE  rcvd: 291

root@ImmortalWrt:~# dig www.youtube.com -p 15353

; <<>> DiG 9.18.24 <<>> www.youtube.com -p 15353
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17092
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; MBZ: 0x006d, udp: 1232
;; QUESTION SECTION:
;www.youtube.com.		IN	A

;; ANSWER SECTION:
www.youtube.com.	109	IN	CNAME	youtube-ui.l.google.com.
youtube-ui.l.google.com. 109	IN	A	142.251.43.14
youtube-ui.l.google.com. 109	IN	A	172.217.163.46
youtube-ui.l.google.com. 109	IN	A	172.217.160.110
youtube-ui.l.google.com. 109	IN	A	142.251.42.238
youtube-ui.l.google.com. 109	IN	A	172.217.160.78

;; Query time: 0 msec
;; SERVER: 127.0.0.1#15353(127.0.0.1) (UDP)
;; WHEN: Wed Feb 21 21:23:58 CST 2024
;; MSG SIZE  rcvd: 291

我这边一切正常，看着你singbox dns正常，好像问题出在你的国内dns了。。。。

2 replies

mm11253 Feb 21, 2024
Author

感觉是和 SagerNet/sing-box#991 SagerNet/sing-box#1417 一样的情况，响应太大了，目前看 Sing-Box 那边 1.9.0 修了，不过 Passwall 这边还是 1.8.5，等更新了再看看吧，谢谢大佬帮忙测试。

SakuraFallingMad Feb 21, 2024

那么我复现不出来的可能性为singbox dns我是doh不是tcp

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Sing-Box DNS 搭配 ChinaDNS-NG 食用有一点点小问题 #2937

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Sing-Box DNS 搭配 ChinaDNS-NG 食用有一点点小问题 #2937

mm11253 Feb 21, 2024

Replies: 3 comments · 2 replies

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