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19cdn.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19cdn.com2026-10-10 01:54:09
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 重庆联通41ms 河北唐山电信1022ms 200.5ms
电信 甘肃兰州电信53ms 河北唐山电信1022ms 190.727ms
移动 广东汕头移动89ms 黑龙江绥化移动325ms 181.6ms
联通 重庆联通41ms 辽宁营口联通356ms 233.444ms
华东 江苏盐城电信61ms 山东济南联通215ms 144.5ms
华北 -72ms 河北唐山电信1022ms 386.5ms
华南 广东汕头移动89ms 广西梧州联通285ms 187ms
华中 河南驻马店联通208ms 湖北荆州联通288ms 254.333ms
西北 甘肃兰州电信53ms 青海西宁移动255ms 133.2ms
西南 重庆联通41ms 重庆电信311ms 153.6ms
东北 吉林长春电信86ms 辽宁营口联通356ms 206.2ms
解析占比
全部 电信 移动 联通 被污染
49.235.95.191
43.138.182.159
49.235.95.191
43.138.182.159
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 黑龙江
116ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
19cdn.com.		600	IN	A	49.235.95.191
19cdn.com.		600	IN	A	43.138.182.159
;; Query time: 116 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 09 17:53:49 UTC 2026
;; MSG SIZE  rcvd: 59

详情
详情 HTTP PING DNS
电信 北京
72ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
19cdn.com.		600	IN	A	49.235.95.191
19cdn.com.		600	IN	A	43.138.182.159
;; Query time: 72 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 09 17:53:50 UTC 2026
;; MSG SIZE  rcvd: 59

详情
详情 HTTP PING DNS
电信 甘肃兰州
53ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 53 msec
;; SERVER: 202.100.64.68#53(202.100.64.68)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 563
详情
详情 HTTP PING DNS
电信 贵州黔南布依族苗族自治州
57ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 57 msec
;; SERVER: 192.168.110.1#53(192.168.110.1)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
电信 河北唐山
1022ms 43.138.182.159[广东广州腾讯]
49.235.95.191[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	43.138.182.159
19cdn.com.	600	IN	A	49.235.95.191

;; Query time: 1022 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sat Oct 10 01:53:49 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
电信 吉林长春
86ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 86 msec
;; SERVER: 219.149.194.55#53(219.149.194.55)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
电信 江苏盐城
61ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 61 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
电信 宁夏银川
65ms 43.138.182.159[广东广州腾讯]
49.235.95.191[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	43.138.182.159
19cdn.com.	600	IN	A	49.235.95.191

;; Query time: 65 msec
;; SERVER: 202.100.96.68#53(202.100.96.68)
;; WHEN: Sat Oct 10 01:53:53 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
电信 山东滨州
167ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 167 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Fri Oct 09 17:53:48 UTC 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
电信 上海
88ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 88 msec
;; SERVER: 202.96.209.133#53(202.96.209.133)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 563
详情
详情 HTTP PING DNS
电信 重庆
311ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 311 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sat Oct 10 01:53:49 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
移动 福建福州
125ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 125 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
移动 广东汕头
89ms 43.138.182.159[广东广州腾讯]
49.235.95.191[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	900	IN	A	43.138.182.159
19cdn.com.	900	IN	A	49.235.95.191

;; Query time: 89 msec
;; SERVER: 211.136.192.6#53(211.136.192.6)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 563
详情
详情 HTTP PING DNS
移动 河北唐山
234ms 43.138.182.159[广东广州腾讯]
49.235.95.191[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	43.138.182.159
19cdn.com.	600	IN	A	49.235.95.191

;; Query time: 234 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 10 01:53:49 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
移动 黑龙江绥化
325ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 325 msec
;; SERVER: 127.0.0.11#53(127.0.0.11)
;; WHEN: Sat Oct 10 01:53:49 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
移动 江苏常州
211ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 211 msec
;; SERVER: 112.4.0.55#53(112.4.0.55)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
移动 辽宁大连
148ms 43.138.182.159[广东广州腾讯]
49.235.95.191[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	43.138.182.159
19cdn.com.	600	IN	A	49.235.95.191

;; Query time: 148 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
移动 青海西宁
255ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 255 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Oct 10 01:53:49 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
移动 陕西渭南
102ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 102 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Fri Oct 09 17:53:48 UTC 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
移动 新疆伊犁哈萨克自治州
191ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 191 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
移动 重庆
136ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 136 msec
;; SERVER: 192.168.68.1#53(192.168.68.1)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
联通 广西梧州
285ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 285 msec
;; SERVER: 192.168.5.30#53(192.168.5.30)
;; WHEN: Sat Oct 10 01:53:49 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
联通 河南驻马店
208ms 43.138.182.159[广东广州腾讯]
49.235.95.191[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	43.138.182.159
19cdn.com.	600	IN	A	49.235.95.191

;; Query time: 208 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
联通 湖北荆州
288ms 43.138.182.159[广东广州腾讯]
49.235.95.191[上海腾讯]
19cdn.com.		600	IN	A	43.138.182.159
19cdn.com.		600	IN	A	49.235.95.191
;; Query time: 288 msec
;; SERVER: 114.114.114.114#53(114.114.114.114) (UDP)
;; WHEN: Sat Oct 10 01:53:49 CST 2026
;; MSG SIZE  rcvd: 70

详情
详情 HTTP PING DNS
联通 湖南衡阳
267ms 43.138.182.159[广东广州腾讯]
49.235.95.191[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	43.138.182.159
19cdn.com.	600	IN	A	49.235.95.191

;; Query time: 267 msec
;; SERVER: 58.20.127.170#53(58.20.127.170)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
联通 辽宁营口
356ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 356 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Fri Oct 09 17:53:49 UTC 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
联通 内蒙古呼和浩特
218ms 43.138.182.159[广东广州腾讯]
49.235.95.191[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	43.138.182.159
19cdn.com.	600	IN	A	49.235.95.191

;; Query time: 218 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
联通 山东济南
215ms 49.235.95.191[上海腾讯]
43.138.182.159[广东广州腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	49.235.95.191
19cdn.com.	600	IN	A	43.138.182.159

;; Query time: 215 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Fri Oct 09 17:53:29 UTC 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
联通 四川成都
223ms 43.138.182.159[广东广州腾讯]
49.235.95.191[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	43.138.182.159
19cdn.com.	600	IN	A	49.235.95.191

;; Query time: 223 msec
;; SERVER: 119.6.6.6#53(119.6.6.6)
;; WHEN: Sat Oct 10 01:53:49 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS
联通 重庆
41ms 43.138.182.159[广东广州腾讯]
49.235.95.191[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 19cdn.com
;; global options: +cmd

;; ANSWER SECTION:
19cdn.com.	600	IN	A	43.138.182.159
19cdn.com.	600	IN	A	49.235.95.191

;; Query time: 41 msec
;; SERVER: 221.5.203.98#53(221.5.203.98)
;; WHEN: Sat Oct 10 01:53:48 CST 2026
;; MSG SIZE  rcvd: 77
详情
详情 HTTP PING DNS

查询结果仅供参考,不保证100%准确。

19cdn.com 优化建议

1、建议利用dns测速在线功能对上海腾讯与广州腾讯两节点的响应时间持续监测,结合dns解析查询在线工具优化解析顺序,优先选择延迟更低的49.235.95.191区域节点。
2、建议通过dns历史解析记录查询分析节点切换规律,针对1022ms的异常延迟时段,采用dns测速工具配合dns在线查询,动态调整轮询策略避免访问高峰。
3、建议使用dns污染检测工具排查广东广州腾讯节点是否存在解析异常,结合dns解析速度测试对比两地dns服务器查询表现,配置智能dns选优逻辑提升整体解析效率。

其他工具历史

更新时间 2026-10-10 05:46:02
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