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pcolb.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pcolb.com2026-10-30 01:58:30
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 上海电信115ms -771ms 310.4ms
电信 上海电信115ms 陕西西安电信480ms 266.167ms
移动 -124ms 新疆昌吉回族自治州移动450ms 232.333ms
联通 湖北天门联通339ms -771ms 447.444ms
华东 上海电信115ms -771ms 286.222ms
华北 -124ms -358ms 210.75ms
华南 海南三亚联通616ms 海南三亚联通616ms 616ms
华中 湖南郴州电信116ms 湖北天门联通339ms 227.5ms
西北 广东广州移动167ms 陕西西安电信480ms 306.167ms
西南 重庆电信362ms 贵州遵义电信457ms 401.2ms
东北 辽宁盘锦电信274ms 吉林长春联通409ms 326.333ms
解析占比
全部 电信 移动 联通 被污染
aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
cdn-yz502.yz168.cc.
8.138.29.49
uXXX.cdn-yz502.yz168.cc.
uxxx.cdn-yz502.yz168.cc.
aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
cdn-yz502.yz168.cc.
8.138.29.49
uXXX.cdn-yz502.yz168.cc.
uxxx.cdn-yz502.yz168.cc.
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
225ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
pcolb.com.		900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc. 600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49
;; Query time: 225 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 29 17:57:07 UTC 2026
;; MSG SIZE  rcvd: 149

详情
详情 HTTP PING DNS
电信 福建漳州
248ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
pcolb.com.		900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc. 600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49
;; Query time: 248 msec
;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP)
;; WHEN: Fri Oct 30 01:57:06 CST 2026
;; MSG SIZE  rcvd: 493

详情
详情 HTTP PING DNS
电信 甘肃庆阳
357ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 357 msec
;; SERVER: 119.29.29.29#53(119.29.29.29)
;; WHEN: Thu Oct 29 17:57:07 UTC 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
电信 贵州遵义
457ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	462	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	162	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	162	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	60	IN	A	8.138.29.49

;; Query time: 457 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:06 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
电信 湖南郴州
116ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 116 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:07 CST 2026
;; MSG SIZE  rcvd: 279
详情
详情 HTTP PING DNS
电信 江西南昌
179ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 179 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:07 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
电信 辽宁盘锦
274ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 274 msec
;; SERVER: 219.148.204.66#53(219.148.204.66)
;; WHEN: Thu Oct 29 17:57:07 UTC 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
电信 陕西西安
480ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 480 msec
;; SERVER: 119.29.29.29#53(119.29.29.29)
;; WHEN: Thu Oct 29 17:57:07 UTC 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
电信 上海
115ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 115 msec
;; SERVER: 202.96.209.133#53(202.96.209.133)
;; WHEN: Fri Oct 30 01:57:07 CST 2026
;; MSG SIZE  rcvd: 826
详情
详情 HTTP PING DNS
电信 天津
136ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 136 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:06 CST 2026
;; MSG SIZE  rcvd: 826
详情
详情 HTTP PING DNS
电信 浙江温州
245ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 245 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Fri Oct 30 01:57:07 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
电信 重庆
362ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uxxx.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	899	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	40	IN	CNAME	uxxx.cdn-yz502.yz168.cc.
uxxx.cdn-yz502.yz168.cc.	599	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 362 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Fri Oct 30 01:57:07 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
移动 内蒙古
124ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
pcolb.com.		900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	823	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	523	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc. 523	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	523	IN	A	8.138.29.49
;; Query time: 124 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 29 17:57:07 UTC 2026
;; MSG SIZE  rcvd: 149

详情
详情 HTTP PING DNS
移动 福建福州
238ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	586	IN	A	8.138.29.49

;; Query time: 238 msec
;; SERVER: 211.138.156.66#53(211.138.156.66)
;; WHEN: Fri Oct 30 01:57:07 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
移动 甘肃兰州
182ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 182 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:06 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
移动 广东广州
167ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	405	IN	A	8.138.29.49

;; Query time: 167 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:06 CST 2026
;; MSG SIZE  rcvd: 279
详情
详情 HTTP PING DNS
移动 黑龙江齐齐哈尔
296ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 296 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:06 CST 2026
;; MSG SIZE  rcvd: 826
详情
详情 HTTP PING DNS
移动 江西宜春
192ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 192 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:06 CST 2026
;; MSG SIZE  rcvd: 279
详情
详情 HTTP PING DNS
移动 宁夏银川
201ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 201 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Fri Oct 30 01:57:07 CST 2026
;; MSG SIZE  rcvd: 808
详情
详情 HTTP PING DNS
移动 新疆昌吉回族自治州
450ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 450 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:07 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
移动 浙江湖州
241ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 241 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:06 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
联通 江西
771ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
pcolb.com.		900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc. 600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49
;; Query time: 771 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 29 17:57:08 UTC 2026
;; MSG SIZE  rcvd: 149

详情
详情 HTTP PING DNS
联通 北京
358ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
pcolb.com.		900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc. 600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49
;; Query time: 358 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Oct 29 17:57:07 UTC 2026
;; MSG SIZE  rcvd: 149

详情
详情 HTTP PING DNS
联通 安徽芜湖
347ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 347 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:07 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
联通 贵州遵义
364ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 364 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:07 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
联通 海南三亚
616ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uxxx.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	1	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	1	IN	CNAME	uxxx.cdn-yz502.yz168.cc.
uxxx.cdn-yz502.yz168.cc.	599	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	599	IN	A	8.138.29.49

;; Query time: 616 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Thu Oct 29 17:57:07 UTC 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
联通 湖北天门
339ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 339 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:06 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
联通 吉林长春
409ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 409 msec
;; SERVER: 202.98.0.68#53(202.98.0.68)
;; WHEN: Fri Oct 30 01:57:07 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
联通 云南昆明
409ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 409 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 30 01:57:07 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS
联通 重庆
414ms aliyun.shyunzhan.cn.
aliyun1.shyunzhan.cn.
uXXX.cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.
8.138.29.49[广东广州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats pcolb.com
;; global options: +cmd

;; ANSWER SECTION:
pcolb.com.	900	IN	CNAME	aliyun.shyunzhan.cn.
aliyun.shyunzhan.cn.	900	IN	CNAME	aliyun1.shyunzhan.cn.
aliyun1.shyunzhan.cn.	600	IN	CNAME	uXXX.cdn-yz502.yz168.cc.
uXXX.cdn-yz502.yz168.cc.	600	IN	CNAME	cdn-yz502.yz168.cc.
cdn-yz502.yz168.cc.	600	IN	A	8.138.29.49

;; Query time: 414 msec
;; SERVER: 221.5.203.98#53(221.5.203.98)
;; WHEN: Fri Oct 30 01:57:07 CST 2026
;; MSG SIZE  rcvd: 268
详情
详情 HTTP PING DNS

查询结果仅供参考,不保证100%准确。

pcolb.com 优化建议

1、建议围绕dns测速在线、dns解析查询在线、dns查询网等关键词优化页面标题与描述,突出检测响应区间115ms至771ms,提升dns测速在线类搜索点击率。
2、建议结合dns污染检测、dns劫持检测、dns污染查询等关键词建设专题说明,强调当前解析链稳定指向广东广州阿里云节点,增强用户对dns检测工具的信任。
3、建议针对dns解析速度测试、dns测试网站、在线测试dns速度等词补充内容,说明多次查询平均约300ms、快慢节点差距明显,并推荐dns测速工具入口。

其他工具历史

更新时间 2026-10-30 04:12:02
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