四川电信疑似拉黑阿里云 DoT、DoH 服务

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从昨天开始发现 adg 域名系统故障，一直以为是网络波动。今天休息就想调查下。

nc 223.5.5.5 443

直接无响应。

换成 1.12.12.12 才正常。不知道大家是不是一样？

第 1 条附言 · 15 天前

截止 2025 年 8 月 22 日 16:46:00 ，服务恢复正常。期间没更改过任何网络设置。感觉像是城域网 ban 了会。

第 2 条附言 · 12 天前

# curl https://223.5.5.5 -vv
00:12:04.092823 [0-0] * [HTTPS-CONNECT] adding wanted h2
00:12:04.092869 [0-0] * [HTTPS-CONNECT] added
00:12:04.092901 [0-0] * [HTTPS-CONNECT] connect, init
00:12:04.092949 [0-0] * Trying 223.5.5.5:443...
00:12:04.093025 [0-0] * [HTTPS-CONNECT] connect -> 0, done=0
00:12:04.093051 [0-0] * [HTTPS-CONNECT] Curl_conn_connect(block=0) -> 0, done=0
00:12:04.093089 [0-0] * [HTTPS-CONNECT] adjust_pollset -> 1 socks
00:12:05.093599 [0-0] * [HTTPS-CONNECT] connect -> 0, done=0
00:12:05.093640 [0-0] * [HTTPS-CONNECT] Curl_conn_connect(block=0) -> 0, done=0
00:12:05.093674 [0-0] * [HTTPS-CONNECT] adjust_pollset -> 1 socks
00:12:06.094654 [0-0] * [HTTPS-CONNECT] connect -> 0, done=0
00:12:06.094711 [0-0] * [HTTPS-CONNECT] Curl_conn_connect(block=0) -> 0, done=0
00:12:06.094748 [0-0] * [HTTPS-CONNECT] adjust_pollset -> 1 socks
00:12:07.095717 [0-0] * [HTTPS-CONNECT] connect -> 0, done=0
00:12:07.095762 [0-0] * [HTTPS-CONNECT] Curl_conn_connect(block=0) -> 0, done=0
00:12:07.095798 [0-0] * [HTTPS-CONNECT] adjust_pollset -> 1 socks
00:12:08.096600 [0-0] * [HTTPS-CONNECT] connect -> 0, done=0
00:12:08.096640 [0-0] * [HTTPS-CONNECT] Curl_conn_connect(block=0) -> 0, done=0
00:12:08.096674 [0-0] * [HTTPS-CONNECT] adjust_pollset -> 1 socks
00:12:09.097598 [0-0] * [HTTPS-CONNECT] connect -> 0, done=0
00:12:09.097716 [0-0] * [HTTPS-CONNECT] Curl_conn_connect(block=0) -> 0, done=0
00:12:09.097752 [0-0] * [HTTPS-CONNECT] adjust_pollset -> 1 socks
00:12:10.098603 [0-0] * [HTTPS-CONNECT] connect -> 0, done=0
00:12:10.098646 [0-0] * [HTTPS-CONNECT] Curl_conn_connect(block=0) -> 0, done=0
00:12:10.098680 [0-0] * [HTTPS-CONNECT] adjust_pollset -> 1 socks

今天早上，继续阻断。223.6.6.6 却是正常的。

电信

阿里云

域名系统故障

3 条回复 • 2025-08-24 10:09:27 +08:00

LiangBryan

15 天前

应该是你的问题吧

bugtik

15 天前

https://223.6.6.6/dns-query https://dns.alidns.com/dns-query https://dns.icoa.cn/dot-doh/

TossPig

13 天前

我说阿里云的 dns 表现不好，我还以为是阿里云的锅