广告
提示
工具简介
i-tower.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i-tower.cn2026-10-13 01:47:23
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
立即登录
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 广东广州移动11ms 宁夏银川联通213ms 75.172ms
电信 江西南昌电信39ms 甘肃兰州电信173ms 77.364ms
移动 广东广州移动11ms 陕西渭南移动156ms 67.583ms
联通 湖南衡阳联通38ms 宁夏银川联通213ms 86.333ms
华东 福建福州移动35ms 江苏盐城电信72ms 52.5ms
华北 -51ms 河北唐山移动79ms 61.667ms
华南 广东广州移动11ms -64ms 39.667ms
华中 湖南衡阳联通38ms 河南洛阳移动90ms 64ms
西北 宁夏银川移动62ms 宁夏银川联通213ms 141.5ms
西南 贵州贵阳联通59ms 贵州黔南布依族苗族自治州移动111ms 74.8ms
东北 目标响应超时
解析占比
全部 电信 移动 联通 被污染
103.21.141.130
103.21.141.130
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
dig: isc_taskmgr_create: no available threads
详情
详情 HTTP PING DNS
电信 天津
51ms 103.21.141.130[上海电信]
i-tower.cn.		600	IN	A	103.21.141.130
;; Query time: 51 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 12 17:46:14 UTC 2026
;; MSG SIZE  rcvd: 150

详情
详情 HTTP PING DNS
电信 甘肃兰州
173ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 173 msec
;; SERVER: 202.100.64.68#53(202.100.64.68)
;; WHEN: Tue Oct 13 01:46:14 CST 2026
;; MSG SIZE  rcvd: 235
详情
详情 HTTP PING DNS
电信 贵州黔南布依族苗族自治州
61ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 61 msec
;; SERVER: 192.168.110.1#53(192.168.110.1)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
电信 海南澄迈县
44ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 44 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 235
详情
详情 HTTP PING DNS
电信 江苏盐城
72ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	608	IN	A	103.21.141.130

;; Query time: 72 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
电信 江西南昌
39ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 39 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
电信 山西长治
55ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 55 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Mon Oct 12 17:46:13 UTC 2026
;; MSG SIZE  rcvd: 235
详情
详情 HTTP PING DNS
电信 上海
52ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 52 msec
;; SERVER: 202.96.209.133#53(202.96.209.133)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 235
详情
详情 HTTP PING DNS
电信 四川攀枝花
64ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 64 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
电信 新疆乌鲁木齐
161ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 161 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Tue Oct 13 01:45:40 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
电信 重庆
79ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 79 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 海南
64ms 103.21.141.130[上海电信]
i-tower.cn.		600	IN	A	103.21.141.130
;; Query time: 64 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 12 17:46:14 UTC 2026
;; MSG SIZE  rcvd: 150

详情
详情 HTTP PING DNS
移动 安徽六安
44ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 44 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 福建福州
35ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 35 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 广东广州
11ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	900	IN	A	103.21.141.130

;; Query time: 11 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 235
详情
详情 HTTP PING DNS
移动 贵州黔南布依族苗族自治州
111ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 111 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Tue Oct 13 01:46:14 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 河北唐山
79ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 79 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:14 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 河南洛阳
90ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 90 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Tue Oct 13 01:46:14 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 江西宜春
59ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 59 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 65
详情
详情 HTTP PING DNS
移动 宁夏银川
62ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 62 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 246
详情
详情 HTTP PING DNS
移动 陕西渭南
156ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 156 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Mon Oct 12 17:46:14 UTC 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 上海
60ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 60 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
移动 浙江台州
40ms 103.21.141.130[上海电信]
i-tower.cn.		600	IN	A	103.21.141.130
;; Query time: 40 msec
;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 44

详情
详情 HTTP PING DNS
联通 青海
84ms 103.21.141.130[上海电信]
i-tower.cn.		600	IN	A	103.21.141.130
;; Query time: 84 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 12 17:46:14 UTC 2026
;; MSG SIZE  rcvd: 55

详情
详情 HTTP PING DNS
联通 贵州贵阳
59ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 59 msec
;; SERVER: 221.13.28.234#53(221.13.28.234)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
联通 湖南衡阳
38ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 38 msec
;; SERVER: 58.20.127.170#53(58.20.127.170)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
联通 江苏
67ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 67 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
联通 宁夏银川
213ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 213 msec
;; SERVER: 192.168.101.1#53(192.168.101.1)
;; WHEN: Tue Oct 13 01:46:14 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS
联通 浙江温州
57ms 103.21.141.130[上海电信]
; <<>> DiG Go <<>> +noall +answer +stats i-tower.cn
;; global options: +cmd

;; ANSWER SECTION:
i-tower.cn.	600	IN	A	103.21.141.130

;; Query time: 57 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Tue Oct 13 01:46:13 CST 2026
;; MSG SIZE  rcvd: 54
详情
详情 HTTP PING DNS

查询结果仅供参考,不保证100%准确。

i-tower.cn 优化建议

1、建议优先部署智能调度系统,结合上海电信单节点现状,利用dns测速在线等多线路对比优化响应,避免单点依赖导致dns在线查询波动明显,最大响应213毫秒需削减。
2、针对dns解析在线工具类站点,建议增加dns解析记录查询及dns历史解析记录查询功能模块,同时强化dns污染检测与dns劫持检测能力,以承接dns检测工具和dns污染查询工具的长尾搜索需求,丰富dns测试网站内容生态。
3、建议补充杭州移动dns、贵州联通dns等区域节点教程及dns服务器查询指南,并拓展ipv6dns测试专题,围绕dns查询网站和网站dns查询场景优化页面结构,提升dns解析查询在线及dns速度在线测试相关词的收录覆盖。

其他工具历史

更新时间 2026-10-13 04:59:02
广告
广告