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dev2.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dev2.cn2026-10-21 02:05:09
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 上海电信63ms 新疆博尔塔拉蒙古自治州联通290ms 199.533ms
电信 上海电信63ms 浙江宁波电信263ms 132.143ms
移动 重庆移动136ms 云南昆明移动280ms 216.167ms
联通 河北唐山联通138ms 新疆博尔塔拉蒙古自治州联通290ms 224.273ms
华东 上海电信63ms 浙江宁波电信263ms 158ms
华北 河北唐山联通138ms -243ms 204.2ms
华南 广东深圳联通202ms 广东深圳联通202ms 202ms
华中 湖北鄂州移动178ms 湖南衡阳联通189ms 183.5ms
西北 -228ms 新疆博尔塔拉蒙古自治州联通290ms 259.4ms
西南 贵州黔南布依族苗族自治州电信109ms 云南昆明移动280ms 187.429ms
东北 吉林长春移动202ms 黑龙江大庆联通251ms 227ms
解析占比
全部 电信 移动 联通 被污染
104.21.96.105
172.67.176.219
189.24.106.253
189.24.82.134
104.21.96.105
172.67.176.219
189.24.106.253
189.24.82.134
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 福建漳州
82ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	600	IN	A	104.21.96.105
dev2.cn.	600	IN	A	172.67.176.219

;; Query time: 82 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 21 02:04:15 CST 2026
;; MSG SIZE  rcvd: 685
详情
详情 HTTP PING DNS
电信 贵州黔南布依族苗族自治州
109ms 172.67.176.219[美国Cloudflare, Inc.]
104.21.96.105[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	172.67.176.219
dev2.cn.	300	IN	A	104.21.96.105

;; Query time: 109 msec
;; SERVER: 192.168.110.1#53(192.168.110.1)
;; WHEN: Wed Oct 21 02:04:16 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
电信 江苏盐城
107ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	590	IN	A	104.21.96.105
dev2.cn.	590	IN	A	172.67.176.219

;; Query time: 107 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 21 02:04:15 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
电信 山东泰安
129ms 172.67.176.219[美国Cloudflare, Inc.]
104.21.96.105[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	172.67.176.219
dev2.cn.	300	IN	A	104.21.96.105

;; Query time: 129 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 21 02:04:15 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
电信 上海
63ms 172.67.176.219[美国Cloudflare, Inc.]
104.21.96.105[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	172.67.176.219
dev2.cn.	300	IN	A	104.21.96.105

;; Query time: 63 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Wed Oct 21 02:04:16 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
电信 西藏山南
172ms 172.67.176.219[美国Cloudflare, Inc.]
104.21.96.105[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	172.67.176.219
dev2.cn.	300	IN	A	104.21.96.105

;; Query time: 172 msec
;; SERVER: 192.168.0.1#53(192.168.0.1)
;; WHEN: Wed Oct 21 02:04:16 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
电信 浙江宁波
263ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	104.21.96.105
dev2.cn.	300	IN	A	172.67.176.219

;; Query time: 263 msec
;; SERVER: 61.153.81.75#53(61.153.81.75)
;; WHEN: Wed Oct 21 02:04:16 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
移动 内蒙古
243ms 172.67.176.219[美国Cloudflare, Inc.]
104.21.96.105[美国Cloudflare, Inc.]
dev2.cn.		300	IN	A	172.67.176.219
dev2.cn.		300	IN	A	104.21.96.105
;; Query time: 243 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 20 18:04:16 UTC 2026
;; MSG SIZE  rcvd: 57

详情
详情 HTTP PING DNS
移动 北京
211ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	104.21.96.105
dev2.cn.	300	IN	A	172.67.176.219

;; Query time: 211 msec
;; SERVER: 211.136.17.107#53(211.136.17.107)
;; WHEN: Wed Oct 21 02:04:16 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
移动 湖北鄂州
178ms 172.67.176.219[美国Cloudflare, Inc.]
104.21.96.105[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	172.67.176.219
dev2.cn.	300	IN	A	104.21.96.105

;; Query time: 178 msec
;; SERVER: 211.137.58.20#53(211.137.58.20)
;; WHEN: Wed Oct 21 02:04:16 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
移动 吉林长春
202ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	104.21.96.105
dev2.cn.	300	IN	A	172.67.176.219

;; Query time: 202 msec
;; SERVER: 211.141.16.99#53(211.141.16.99)
;; WHEN: Wed Oct 21 02:04:16 CST 2026
;; MSG SIZE  rcvd: 685
详情
详情 HTTP PING DNS
移动 辽宁大连
228ms 172.67.176.219[美国Cloudflare, Inc.]
104.21.96.105[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	172.67.176.219
dev2.cn.	300	IN	A	104.21.96.105

;; Query time: 228 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 21 02:04:15 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
移动 山东青岛
218ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	104.21.96.105
dev2.cn.	300	IN	A	172.67.176.219

;; Query time: 218 msec
;; SERVER: 211.137.191.26#53(211.137.191.26)
;; WHEN: Wed Oct 21 02:04:16 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
移动 山西长治
227ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	104.21.96.105
dev2.cn.	300	IN	A	172.67.176.219

;; Query time: 227 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 21 02:04:15 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
移动 陕西西安
250ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	104.21.96.105
dev2.cn.	300	IN	A	172.67.176.219

;; Query time: 250 msec
;; SERVER: 119.29.29.29#53(119.29.29.29)
;; WHEN: Tue Oct 20 18:04:16 UTC 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
移动 四川成都
166ms 172.67.176.219[美国Cloudflare, Inc.]
104.21.96.105[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	172.67.176.219
dev2.cn.	300	IN	A	104.21.96.105

;; Query time: 166 msec
;; SERVER: 183.221.253.100#53(183.221.253.100)
;; WHEN: Wed Oct 21 02:04:16 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
移动 新疆伊犁哈萨克自治州
255ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	104.21.96.105
dev2.cn.	300	IN	A	172.67.176.219

;; Query time: 255 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Wed Oct 21 02:04:16 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
移动 云南昆明
280ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	104.21.96.105
dev2.cn.	300	IN	A	172.67.176.219

;; Query time: 280 msec
;; SERVER: 211.139.29.150#53(211.139.29.150)
;; WHEN: Wed Oct 21 02:04:21 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
移动 重庆
136ms 172.67.176.219[美国Cloudflare, Inc.]
104.21.96.105[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	172.67.176.219
dev2.cn.	300	IN	A	104.21.96.105

;; Query time: 136 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 21 02:04:15 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
联通 青海
228ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
dev2.cn.		300	IN	A	104.21.96.105
dev2.cn.		300	IN	A	172.67.176.219
;; Query time: 228 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 20 18:04:16 UTC 2026
;; MSG SIZE  rcvd: 57

详情
详情 HTTP PING DNS
联通 甘肃庆阳
274ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	104.21.96.105
dev2.cn.	300	IN	A	172.67.176.219

;; Query time: 274 msec
;; SERVER: 119.29.29.29#53(119.29.29.29)
;; WHEN: Tue Oct 20 18:04:16 UTC 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
联通 广东深圳
202ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	104.21.96.105
dev2.cn.	300	IN	A	172.67.176.219

;; Query time: 202 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Tue Oct 20 18:01:52 UTC 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
联通 河北唐山
138ms 189.24.106.253[美国]
189.24.82.134[巴西米纳斯吉拉斯州茹伊斯迪福拉]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	60	IN	A	189.24.106.253
dev2.cn.	60	IN	A	189.24.82.134

;; Query time: 138 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 21 02:04:16 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
联通 黑龙江大庆
251ms 172.67.176.219[美国Cloudflare, Inc.]
104.21.96.105[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	172.67.176.219
dev2.cn.	300	IN	A	104.21.96.105

;; Query time: 251 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 21 02:04:15 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
联通 湖南衡阳
189ms 172.67.176.219[美国Cloudflare, Inc.]
104.21.96.105[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	172.67.176.219
dev2.cn.	300	IN	A	104.21.96.105

;; Query time: 189 msec
;; SERVER: 58.20.127.170#53(58.20.127.170)
;; WHEN: Wed Oct 21 02:04:15 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
联通 山东烟台
244ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	104.21.96.105
dev2.cn.	300	IN	A	172.67.176.219

;; Query time: 244 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 21 02:04:15 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
联通 山西长治
202ms 172.67.176.219[美国Cloudflare, Inc.]
104.21.96.105[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	172.67.176.219
dev2.cn.	300	IN	A	104.21.96.105

;; Query time: 202 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Tue Oct 20 18:04:16 UTC 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
联通 新疆博尔塔拉蒙古自治州
290ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	104.21.96.105
dev2.cn.	300	IN	A	172.67.176.219

;; Query time: 290 msec
;; SERVER: 119.29.29.29#53(119.29.29.29)
;; WHEN: Wed Oct 21 02:04:16 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
联通 云南昆明
226ms 172.67.176.219[美国Cloudflare, Inc.]
104.21.96.105[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	172.67.176.219
dev2.cn.	300	IN	A	104.21.96.105

;; Query time: 226 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 21 02:04:15 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS
联通 重庆
223ms 104.21.96.105[美国Cloudflare, Inc.]
172.67.176.219[美国Cloudflare, Inc.]
; <<>> DiG Go <<>> +noall +answer +stats dev2.cn
;; global options: +cmd

;; ANSWER SECTION:
dev2.cn.	300	IN	A	104.21.96.105
dev2.cn.	300	IN	A	172.67.176.219

;; Query time: 223 msec
;; SERVER: 221.5.203.98#53(221.5.203.98)
;; WHEN: Wed Oct 21 02:04:16 CST 2026
;; MSG SIZE  rcvd: 71
详情
详情 HTTP PING DNS

查询结果仅供参考,不保证100%准确。

dev2.cn 优化建议

1、dns测速在线检测显示解析节点存在异常,建议使用dns污染检测工具排查是否被污染,并借助dns历史解析记录查询确认解析稳定性。
2、dns解析查询在线响应耗时差异明显,最快63ms最慢290ms,建议用dns速度在线测试和dns测速工具持续监测,优化解析线路。
3、检测到非Cloudflare的dns服务器查询记录,建议通过dns劫持检测和网站dns污染检测工具核查,结合在线测试dns速度选择最佳dns。

其他工具历史

更新时间 2026-10-21 07:00:02
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