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21esn.com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.com2026-10-08 01:38:08
预估消耗 0 检测点,实际消耗以【检测点账单】为准
29

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 (1)
区域/运营商 响应最快 响应最慢 平均响应
全部 河南驻马店电信28ms 上海电信978ms 222.179ms
电信 河南驻马店电信28ms 上海电信978ms 218.8ms
移动 甘肃庆阳移动102ms 青海西宁移动296ms 158.667ms
联通 湖北武汉联通78ms 云南昆明联通678ms 289.444ms
华东 安徽六安移动114ms 上海电信978ms 418.5ms
华北 河北唐山移动152ms 河北唐山电信249ms 198ms
华南 广西南宁电信53ms 广西梧州移动211ms 112.25ms
华中 河南驻马店电信28ms 湖北襄阳电信319ms 165.8ms
西北 宁夏银川电信71ms 青海西宁移动296ms 156.333ms
西南 重庆移动149ms 云南昆明联通678ms 327ms
东北 吉林长春电信97ms 辽宁营口联通376ms 210.333ms
解析占比
全部 电信 移动 联通 被污染
27.115.93.50
27.115.93.50
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 北京
0ms 没有记录

                        
详情
详情 HTTP PING DNS
电信 广西南宁
53ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 53 msec
;; SERVER: 202.103.225.68#53(202.103.225.68)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 海南澄迈县
55ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 55 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 08 01:37:36 CST 2026
;; MSG SIZE  rcvd: 655
详情
详情 HTTP PING DNS
电信 河北唐山
249ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 249 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 河南驻马店
28ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 28 msec
;; SERVER: 192.168.5.1#53(192.168.5.1)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 655
详情
详情 HTTP PING DNS
电信 湖北襄阳
319ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 319 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Wed Oct 07 17:37:52 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 吉林长春
97ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 97 msec
;; SERVER: 219.149.194.55#53(219.149.194.55)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 辽宁大连
158ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 158 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
电信 宁夏银川
71ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 71 msec
;; SERVER: 202.100.96.68#53(202.100.96.68)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 山西长治
180ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 180 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Wed Oct 07 17:37:52 UTC 2026
;; MSG SIZE  rcvd: 655
详情
详情 HTTP PING DNS
电信 上海
978ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 978 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 655
详情
详情 HTTP PING DNS
移动 海南
130ms 27.115.93.50[上海普陀区联通]
21esn.com.		3600	IN	A	27.115.93.50
;; Query time: 130 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 07 17:37:52 UTC 2026
;; MSG SIZE  rcvd: 54

详情
详情 HTTP PING DNS
移动 安徽六安
114ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 114 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 08 01:37:51 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 甘肃庆阳
102ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 102 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Wed Oct 07 17:37:52 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 广西梧州
211ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 211 msec
;; SERVER: 192.168.5.30#53(192.168.5.30)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 河北唐山
152ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 152 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 湖南长沙
120ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 120 msec
;; SERVER: 211.142.211.124#53(211.142.211.124)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 63
详情
详情 HTTP PING DNS
移动 青海西宁
296ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 296 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 西藏拉萨
154ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 154 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 08 01:37:51 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 重庆
149ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 149 msec
;; SERVER: 192.168.68.1#53(192.168.68.1)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 北京
192ms 27.115.93.50[上海普陀区联通]
21esn.com.		3600	IN	A	27.115.93.50
;; Query time: 192 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 07 17:37:52 UTC 2026
;; MSG SIZE  rcvd: 43

详情
详情 HTTP PING DNS
联通 福建厦门
326ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 326 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 河南平顶山
284ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 284 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Wed Oct 07 17:37:52 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 湖北武汉
78ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 78 msec
;; SERVER: 218.104.111.122#53(218.104.111.122)
;; WHEN: Thu Oct 08 01:37:52 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 辽宁营口
376ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 376 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Wed Oct 07 17:37:52 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 内蒙古呼和浩特
211ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 211 msec
;; SERVER: 202.99.224.68#53(202.99.224.68)
;; WHEN: Thu Oct 08 01:37:51 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 山西长治
204ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 204 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Wed Oct 07 17:37:52 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 云南昆明
678ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 678 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 浙江温州
256ms 27.115.93.50[上海普陀区联通]
; <<>> DiG Go <<>> +noall +answer +stats 21esn.com
;; global options: +cmd

;; ANSWER SECTION:
21esn.com.	3600	IN	A	27.115.93.50

;; Query time: 256 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Thu Oct 08 01:37:52 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.com 优化建议

1、建议优先优化线上联通节点的响应稳定性,当前统一指向上海普陀区联通但波动范围从28ms到978ms,用户侧体验偏差明显,建议结合dns解析在线与dns在线查询定位高延迟链路,并借助dns测速工具开展dns速度测试以识别瓶颈,同时参考国内公共dns与阿里公共dns提升容错能力。
2、鉴于多数探测节点响应良好而个别节点超时或延迟激增,建议启用dns解析检测与dns检测工具持续监控,利用dns在线检测覆盖dns劫持检测与dns污染查询场景,结合dns历史解析记录查询评估解析一致性,并通过dns选优机制调整dns解析记录查询策略以保障dns查询网体验。
3、针对解析全部指向单一IP且无轮询的现状,建议引入智能dns并配置dns轮询以分散流量,同时利用dns污染检测网站定期执行dns污染在线检测,配合dns在线测试工具验证dns解析速度测试结果,加强dns域名污染查询与dns网站污染在线检测,确保dns在线查询响应平稳可靠。

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更新时间 2026-10-08 11:46:04
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