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coursou.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coursou.com2026-10-15 01:59:06
预估消耗 0 检测点,实际消耗以【检测点账单】为准
28

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 海南澄迈县电信30ms 江西宜春电信401ms 175.071ms
电信 海南澄迈县电信30ms 江西宜春电信401ms 157.667ms
移动 -91ms 贵州黔南布依族苗族自治州移动292ms 145.077ms
联通 内蒙古赤峰联通94ms 山东潍坊联通304ms 230ms
华东 上海联通177ms 江西宜春电信401ms 265.833ms
华北 -91ms 天津联通189ms 130.6ms
华南 海南澄迈县电信30ms 海南三亚移动113ms 79ms
华中 河南洛阳移动118ms 湖北荆州联通259ms 176ms
西北 甘肃庆阳移动120ms 新疆昌吉回族自治州联通268ms 195ms
西南 云南楚雄彝族自治州电信62ms 贵州黔南布依族苗族自治州移动292ms 187.75ms
东北 吉林长春电信74ms 辽宁大连电信228ms 138.25ms
解析占比
全部 电信 移动 联通 被污染
47.108.63.122
47.108.63.122
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 海南澄迈县
30ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 30 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 15 01:58:54 CST 2026
;; MSG SIZE  rcvd: 738
详情
详情 HTTP PING DNS
电信 河南洛阳
151ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	900	IN	A	47.108.63.122

;; Query time: 151 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 15 01:58:54 CST 2026
;; MSG SIZE  rcvd: 738
详情
详情 HTTP PING DNS
电信 吉林长春
74ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 74 msec
;; SERVER: 219.149.194.55#53(219.149.194.55)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
电信 江西宜春
401ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 401 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 15 01:58:54 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
电信 辽宁大连
228ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 228 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 15 01:58:54 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
电信 云南楚雄彝族自治州
62ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 62 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Wed Oct 14 17:58:55 UTC 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
移动 内蒙古
91ms 47.108.63.122[四川成都阿里云]
coursou.com.		600	IN	A	47.108.63.122
;; Query time: 91 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 14 17:58:55 UTC 2026
;; MSG SIZE  rcvd: 45

详情
详情 HTTP PING DNS
移动 北京
164ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 164 msec
;; SERVER: 211.136.17.107#53(211.136.17.107)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
移动 甘肃庆阳
120ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 120 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Wed Oct 14 17:58:55 UTC 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
移动 广东广州
94ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	900	IN	A	47.108.63.122

;; Query time: 94 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 738
详情
详情 HTTP PING DNS
移动 贵州黔南布依族苗族自治州
292ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 292 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
移动 海南三亚
113ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 113 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 67
详情
详情 HTTP PING DNS
移动 河南洛阳
118ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 118 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
移动 黑龙江鸡西
129ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 129 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 15 01:58:54 CST 2026
;; MSG SIZE  rcvd: 738
详情
详情 HTTP PING DNS
移动 吉林长春
122ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 122 msec
;; SERVER: 211.141.16.99#53(211.141.16.99)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 738
详情
详情 HTTP PING DNS
移动 江苏淮安
201ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 201 msec
;; SERVER: 221.131.143.69#53(221.131.143.69)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
移动 山西长治
115ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 115 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Wed Oct 14 17:58:55 UTC 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
移动 四川成都
130ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 130 msec
;; SERVER: 183.221.253.100#53(183.221.253.100)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
移动 新疆伊犁哈萨克自治州
197ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 197 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
联通 江西
238ms 47.108.63.122[四川成都阿里云]
coursou.com.		600	IN	A	47.108.63.122
;; Query time: 238 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 14 17:58:55 UTC 2026
;; MSG SIZE  rcvd: 45

详情
详情 HTTP PING DNS
联通 贵州贵阳
267ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 267 msec
;; SERVER: 221.13.28.234#53(221.13.28.234)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
联通 湖北荆州
259ms 47.108.63.122[四川成都阿里云]
coursou.com.		600	IN	A	47.108.63.122
;; Query time: 259 msec
;; SERVER: 114.114.114.114#53(114.114.114.114) (UDP)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56

详情
详情 HTTP PING DNS
联通 内蒙古赤峰
94ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 94 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Wed Oct 14 17:58:31 UTC 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
联通 山东潍坊
304ms 47.108.63.122[四川成都阿里云]
coursou.com.		600	IN	A	47.108.63.122
;; Query time: 304 msec
;; SERVER: 223.5.5.5#53(223.5.5.5) (UDP)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56

详情
详情 HTTP PING DNS
联通 上海
177ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 177 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
联通 天津
189ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 189 msec
;; SERVER: 202.99.96.68#53(202.99.96.68)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
联通 新疆昌吉回族自治州
268ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 268 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS
联通 浙江金华
274ms 47.108.63.122[四川成都阿里云]
; <<>> DiG Go <<>> +noall +answer +stats coursou.com
;; global options: +cmd

;; ANSWER SECTION:
coursou.com.	600	IN	A	47.108.63.122

;; Query time: 274 msec
;; SERVER: 221.12.1.227#53(221.12.1.227)
;; WHEN: Thu Oct 15 01:58:55 CST 2026
;; MSG SIZE  rcvd: 56
详情
详情 HTTP PING DNS

查询结果仅供参考,不保证100%准确。

coursou.com 优化建议

1、检测覆盖28个节点且全部解析至成都阿里云,建议结合dns测速在线和dns在线查询工具对比不同区域响应差异,关注四川本地dns配置对dns解析查询在线结果的影响。
2、所有返回结果无污染且一致指向同一目标,可强化dns检测工具对dns解析速度测试的周期性监控,通过dns污染检测网站排查潜在风险并优化dns解析在线在移动端场景下的表现。
3、平均响应约167ms但快慢差距较大,使用dns测速工具配合dns历史解析记录查询分析时段波动,参考常用dns调整策略以降低dns解析延迟并提升dns劫持检测的稳定覆盖。

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更新时间 2026-10-15 03:23:02
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