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51bus.cn通过本站DNS查询可进行实时DNS检测,能够迅速检测出在不同地区以及不同网络下对域名解析的结果,检测DNS解析是否遭受污染,查看域名污染在全国的分布状况,还能对域名的A记录、CNAME记录、MX记录、NS记录予以查询。
DNS查询结果51bus.cn2026-11-07 02:00:28
预估消耗 0 检测点,实际消耗以【检测点账单】为准
30

检测节点

响应时间分布 域名污染分布

污染比例:0%

登录51CESU,立即查看域名污染全国分布情况
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概览 被污染 (0) 状态码4XX (0) 客户端请求错误(请求的资源不存在、权限不足等) 状态码5XX (0) 服务器故障,处理请求时内部出错无法访问 响应超时 (0)
区域/运营商 响应最快 响应最慢 平均响应
全部 浙江金华移动12ms 广西梧州联通185ms 61.5ms
电信 重庆电信36ms 吉林长春电信100ms 69.833ms
移动 浙江金华移动12ms 福建龙岩移动116ms 50ms
联通 -17ms 广西梧州联通185ms 75.111ms
华东 浙江金华移动12ms 福建龙岩移动116ms 53ms
华北 -17ms 内蒙古赤峰联通117ms 42.833ms
华南 -40ms 广西梧州联通185ms 112.5ms
华中 湖南长沙移动29ms 湖北襄阳电信79ms 56.333ms
西北 广东广州移动44ms -94ms 63.2ms
西南 重庆电信36ms 云南保山移动101ms 63.8ms
东北 黑龙江齐齐哈尔移动36ms 吉林长春电信100ms 73.5ms
解析占比
全部 电信 移动 联通 被污染
47.117.164.40
47.117.164.40
DNS查询详情
全部
响应超时 被污染
节点数:/
检测点
运营商 检测节点

解析时间

解析内容 操作
电信 湖北襄阳
79ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 79 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Fri Nov 06 17:59:16 UTC 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
电信 吉林长春
100ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 100 msec
;; SERVER: 219.149.194.55#53(219.149.194.55)
;; WHEN: Sat Nov 07 01:59:16 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
电信 辽宁盘锦
100ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 100 msec
;; SERVER: 219.148.204.66#53(219.148.204.66)
;; WHEN: Fri Nov 06 17:59:16 UTC 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
电信 青海西宁
63ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 63 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Nov 07 01:59:16 CST 2026
;; MSG SIZE  rcvd: 736
详情
详情 HTTP PING DNS
电信 云南曲靖
41ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 41 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Nov 07 01:59:15 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
电信 重庆
36ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 36 msec
;; SERVER: 61.128.128.68#53(61.128.128.68)
;; WHEN: Sat Nov 07 01:59:15 CST 2026
;; MSG SIZE  rcvd: 736
详情
详情 HTTP PING DNS
移动 北京
21ms 47.117.164.40[上海阿里云]
51bus.cn.		600	IN	A	47.117.164.40
;; Query time: 21 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Nov 06 17:59:16 UTC 2026
;; MSG SIZE  rcvd: 42

详情
详情 HTTP PING DNS
移动 广西
40ms 47.117.164.40[上海阿里云]
51bus.cn.		600	IN	A	47.117.164.40
;; Query time: 40 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Nov 06 17:59:16 UTC 2026
;; MSG SIZE  rcvd: 42

详情
详情 HTTP PING DNS
移动 福建龙岩
116ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 116 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sat Nov 07 01:59:16 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
移动 广东广州
44ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 44 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Nov 07 01:59:15 CST 2026
;; MSG SIZE  rcvd: 61
详情
详情 HTTP PING DNS
移动 河北沧州
23ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 23 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Nov 07 01:59:15 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
移动 黑龙江齐齐哈尔
36ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 36 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Nov 07 01:59:15 CST 2026
;; MSG SIZE  rcvd: 736
详情
详情 HTTP PING DNS
移动 湖北天门
61ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 61 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Nov 07 01:59:15 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
移动 湖南长沙
29ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 29 msec
;; SERVER: 211.142.211.124#53(211.142.211.124)
;; WHEN: Sat Nov 07 01:59:16 CST 2026
;; MSG SIZE  rcvd: 61
详情
详情 HTTP PING DNS
移动 江西宜春
39ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 39 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Nov 07 01:59:15 CST 2026
;; MSG SIZE  rcvd: 61
详情
详情 HTTP PING DNS
移动 上海
47ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 47 msec
;; SERVER: 10.10.0.1#53(10.10.0.1)
;; WHEN: Sat Nov 07 01:59:16 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
移动 四川成都
74ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 74 msec
;; SERVER: 183.221.253.100#53(183.221.253.100)
;; WHEN: Sat Nov 07 01:59:16 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
移动 天津
52ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 52 msec
;; SERVER: 211.136.17.107#53(211.136.17.107)
;; WHEN: Sat Nov 07 01:59:16 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
移动 新疆昌吉回族自治州
55ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 55 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Nov 07 01:59:15 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
移动 云南保山
101ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 101 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Nov 07 01:59:15 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
移动 浙江金华
12ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 12 msec
;; SERVER: 211.140.13.188#53(211.140.13.188)
;; WHEN: Sat Nov 07 01:59:15 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
联通 北京
17ms 47.117.164.40[上海阿里云]
51bus.cn.		600	IN	A	47.117.164.40
;; Query time: 17 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Nov 06 17:59:16 UTC 2026
;; MSG SIZE  rcvd: 42

详情
详情 HTTP PING DNS
联通 江西
51ms 47.117.164.40[上海阿里云]
51bus.cn.		600	IN	A	47.117.164.40
;; Query time: 51 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Nov 06 17:59:16 UTC 2026
;; MSG SIZE  rcvd: 42

详情
详情 HTTP PING DNS
联通 青海
94ms 47.117.164.40[上海阿里云]
51bus.cn.		600	IN	A	47.117.164.40
;; Query time: 94 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Nov 06 17:59:16 UTC 2026
;; MSG SIZE  rcvd: 53

详情
详情 HTTP PING DNS
联通 广西梧州
185ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	730	IN	A	47.117.164.40

;; Query time: 185 msec
;; SERVER: 192.168.5.30#53(192.168.5.30)
;; WHEN: Fri Nov 06 17:59:16 UTC 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
联通 吉林长春
58ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 58 msec
;; SERVER: 202.98.0.68#53(202.98.0.68)
;; WHEN: Sat Nov 07 01:59:16 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
联通 内蒙古赤峰
117ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 117 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Fri Nov 06 17:59:16 UTC 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
联通 陕西咸阳
60ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 60 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Nov 07 01:59:15 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
联通 天津
27ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 27 msec
;; SERVER: 202.99.96.68#53(202.99.96.68)
;; WHEN: Sat Nov 07 01:59:16 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS
联通 重庆
67ms 47.117.164.40[上海阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 51bus.cn
;; global options: +cmd

;; ANSWER SECTION:
51bus.cn.	600	IN	A	47.117.164.40

;; Query time: 67 msec
;; SERVER: 221.5.203.98#53(221.5.203.98)
;; WHEN: Sat Nov 07 01:59:16 CST 2026
;; MSG SIZE  rcvd: 50
详情
详情 HTTP PING DNS

查询结果仅供参考,不保证100%准确。

51bus.cn 优化建议

1、建议使用dns延迟测试与dns测速在线工具持续监测上海阿里云节点响应波动,当前最快12ms最慢185ms差距明显,需结合dns解析速度测试优化解析链路。
2、通过dns污染查询与dns劫持检测确认解析一致性,30次检测均指向同一IP无异常,可借助dns历史解析记录查询排查潜在解析漂移风险。
3、利用dns检测工具与在线dns测试工具定期核查各地区运营商解析表现,结合dns选优策略缩短高延迟节点等待时间。

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更新时间 2026-11-07 14:17:02
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