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21esn.net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21esn.net2026-10-08 01:38:09
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%

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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 广东东莞电信41ms 湖北襄阳电信1865ms 413.967ms
电信 广东东莞电信41ms 湖北襄阳电信1865ms 411.077ms
移动 福建厦门移动150ms 上海移动1455ms 387.444ms
联通 天津联通219ms 内蒙古赤峰联通1184ms 448.5ms
华东 安徽合肥电信75ms 上海移动1455ms 419.875ms
华北 内蒙古包头电信56ms 内蒙古赤峰联通1184ms 448.5ms
华南 广东东莞电信41ms -344ms 207.25ms
华中 河南驻马店联通240ms 湖北襄阳电信1865ms 1052.5ms
西北 宁夏银川电信76ms 宁夏银川联通663ms 326.5ms
西南 贵州黔南布依族苗族自治州电信106ms 四川成都移动300ms 188.333ms
东北 辽宁沈阳移动182ms 吉林长春电信1437ms 602.667ms
解析占比
全部 电信 移动 联通 被污染
101.231.71.72
101.231.71.72
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 青海
258ms 101.231.71.72[上海闵行区电信]
21esn.net.		600	IN	A	101.231.71.72
;; Query time: 258 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 07 17:37:53 UTC 2026
;; MSG SIZE  rcvd: 219

详情
详情 HTTP PING DNS
电信 安徽合肥
75ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	900	IN	A	101.231.71.72

;; Query time: 75 msec
;; SERVER: 61.132.163.68#53(61.132.163.68)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 福建厦门
425ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	600	IN	A	101.231.71.72

;; Query time: 425 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 322
详情
详情 HTTP PING DNS
电信 甘肃兰州
484ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	600	IN	A	101.231.71.72

;; Query time: 484 msec
;; SERVER: 202.100.64.68#53(202.100.64.68)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 322
详情
详情 HTTP PING DNS
电信 广东东莞
41ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	600	IN	A	101.231.71.72

;; Query time: 41 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 322
详情
详情 HTTP PING DNS
电信 广西梧州
271ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	300	IN	A	101.231.71.72

;; Query time: 271 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 贵州黔南布依族苗族自治州
106ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	300	IN	A	101.231.71.72

;; Query time: 106 msec
;; SERVER: 192.168.110.1#53(192.168.110.1)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 湖北襄阳
1865ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 1865 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Wed Oct 07 17:37:54 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 吉林长春
1437ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 1437 msec
;; SERVER: 219.149.194.55#53(219.149.194.55)
;; WHEN: Thu Oct 08 01:37:54 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 江苏苏州
91ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	602	IN	A	101.231.71.72

;; Query time: 91 msec
;; SERVER: 218.2.2.2#53(218.2.2.2)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 内蒙古包头
56ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	606	IN	A	101.231.71.72

;; Query time: 56 msec
;; SERVER: 114.114.114.114#53(114.114.114.114)
;; WHEN: Wed Oct 07 17:37:53 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 宁夏银川
76ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 76 msec
;; SERVER: 202.100.96.68#53(202.100.96.68)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 重庆
159ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 159 msec
;; SERVER: 61.128.128.68#53(61.128.128.68)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 322
详情
详情 HTTP PING DNS
移动 海南
344ms 101.231.71.72[上海闵行区电信]
21esn.net.		600	IN	A	101.231.71.72
;; Query time: 344 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 07 17:37:53 UTC 2026
;; MSG SIZE  rcvd: 219

详情
详情 HTTP PING DNS
移动 福建厦门
150ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 150 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 广东汕头
173ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	900	IN	A	101.231.71.72

;; Query time: 173 msec
;; SERVER: 211.136.192.6#53(211.136.192.6)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 322
详情
详情 HTTP PING DNS
移动 黑龙江绥化
189ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 189 msec
;; SERVER: 127.0.0.11#53(127.0.0.11)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 63
详情
详情 HTTP PING DNS
移动 江苏无锡
491ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	600	IN	A	101.231.71.72

;; Query time: 491 msec
;; SERVER: 221.131.143.69#53(221.131.143.69)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 辽宁沈阳
182ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 182 msec
;; SERVER: 211.137.32.178#53(211.137.32.178)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 上海
1455ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 1455 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Thu Oct 08 01:37:54 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 四川成都
300ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 300 msec
;; SERVER: 211.137.96.205#53(211.137.96.205)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 新疆伊犁哈萨克自治州
203ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 203 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 河北唐山
335ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 335 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 河南驻马店
240ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 240 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 江苏
408ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 408 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 内蒙古赤峰
1184ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 1184 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Wed Oct 07 17:37:23 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 宁夏银川
663ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 663 msec
;; SERVER: 192.168.101.1#53(192.168.101.1)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 山东潍坊
264ms 101.231.71.72[上海闵行区电信]
21esn.net.		120	IN	A	101.231.71.72
;; Query time: 264 msec
;; SERVER: 223.5.5.5#53(223.5.5.5) (UDP)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 54

详情
详情 HTTP PING DNS
联通 天津
219ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 219 msec
;; SERVER: 202.99.96.68#53(202.99.96.68)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 新疆博尔塔拉蒙古自治州
275ms 101.231.71.72[上海闵行区电信]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.net
;; global options: +cmd

;; ANSWER SECTION:
21esn.net.	120	IN	A	101.231.71.72

;; Query time: 275 msec
;; SERVER: 119.29.29.29#53(119.29.29.29)
;; WHEN: Thu Oct 08 01:37:53 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS

查询结果仅供参考,不保证100%准确。

21esn.net 优化建议

1、检测结果节点统一指向单一上海地址,建议结合dns解析查询在线与dns在线查询工具,设置多区域dns轮询策略,分散请求以提升访问效率并降低单点故障风险。
2、针对响应时间跨度大且存在明显延迟峰值,建议部署智能dns选优与dns测速在线机制,自动匹配最优线路,并通过dns服务器查询优化解析路由减少超时。
3、应启用dns污染检测工具和dns劫持检测,配合域名dns污染查询定期核查解析稳定性,同时参考在线测试最佳dns配置公共dns地址增强容错能力。

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更新时间 2026-10-08 08:33:05
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