91db.top的DNS测速结果_dns解析查询

工具简介

91db.top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91db.top2026-10-31 01:48:29

预估消耗 0 检测点，实际消耗以【检测点账单】为准

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
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概览

区域/运营商	响应最快	响应最慢	平均响应
全部	宁夏银川移动1ms	广西梧州联通349ms	117.828ms
电信	-24ms	吉林长春电信257ms	118.286ms
移动	宁夏银川移动1ms	四川攀枝花移动178ms	97.727ms
联通	江西南昌联通65ms	广西梧州联通349ms	171.5ms
华东	江西南昌联通65ms	江苏苏州电信180ms	120ms
华北	-24ms	-140ms	67.5ms
华南	广东广州电信52ms	广西梧州联通349ms	182.333ms
华中	湖北天门电信82ms	湖南长沙移动101ms	91.5ms
西北	宁夏银川移动1ms	陕西渭南移动125ms	88.167ms
西南	云南曲靖电信76ms	贵州遵义电信250ms	168ms
东北	辽宁大连移动86ms	吉林长春电信257ms	153.8ms

解析占比

全部5 电信3 移动3 联通4 被污染0

复制IP

sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn.
blackboard-master-jy.cn-hangzhou.taihangpkx.cn.
115.238.6.71
39.173.44.4
101.67.62.17

sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 100%

blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 96.552%

115.238.6.71 48.276%

39.173.44.4 41.379%

101.67.62.17 10.345%

DNS查询详情

全部

响应超时0 被污染0

节点数：/

查询结果仅供参考，不保证100%准确。

91db.top 优化建议

1、dns测速在线显示响应最快1ms、最慢349ms，建议结合dns解析速度测试排查杭州电信dns与杭州联通dns高延迟节点，优化dns测速工具选优策略。
2、dns记录查询结果以CNAME链跳转为主并指向浙江杭州联通、浙江杭州电信等多IP，建议用dns污染检测与dns劫持检测确认解析一致性，完善dns历史解析记录查询。
3、dns在线测试各运营商差异明显，建议用在线测试dns速度与在线测试最佳dns对比杭州移动dns、浙江移动dns表现，并借助dns检测工具持续监控。

其他工具历史

更新时间 2026-10-31 03:17:02

	游客	注册用户
检测次数/工具/日	5	50
批量检测数量上限	不支持	10
每日登录奖励	不支持	最高 140 点
监控任务/API	不支持	支持

检测点运营商检测节点	解析时间	解析内容	操作
电信北京	24ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 115.238.6.71 ;; Query time: 24 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Oct 30 17:47:10 UTC 2026 ;; MSG SIZE rcvd: 160 详情详情 HTTP PING DNS
电信甘肃兰州	94ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 600 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 600 IN A 115.238.6.71 ;; Query time: 94 msec ;; SERVER: 202.100.64.68#53(202.100.64.68) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 858 详情详情 HTTP PING DNS
电信广东广州	52ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 600 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 600 IN A 115.238.6.71 ;; Query time: 52 msec ;; SERVER: 202.96.128.86#53(202.96.128.86) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 858 详情详情 HTTP PING DNS
电信广西桂林	146ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 300 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 300 IN A 115.238.6.71 ;; Query time: 146 msec ;; SERVER: 202.103.225.68#53(202.103.225.68) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
电信贵州遵义	250ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 599 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 115.238.6.71 ;; Query time: 250 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
电信黑龙江大庆	183ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 115.238.6.71 ;; Query time: 183 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
电信湖北天门	82ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 600 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 600 IN A 115.238.6.71 ;; Query time: 82 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 858 详情详情 HTTP PING DNS
电信吉林长春	257ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 599 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 59 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 115.238.6.71 ;; Query time: 257 msec ;; SERVER: 219.149.194.55#53(219.149.194.55) ;; WHEN: Sat Oct 31 01:47:11 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
电信江苏苏州	180ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 605 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 605 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 605 IN A 115.238.6.71 ;; Query time: 180 msec ;; SERVER: 218.2.2.2#53(218.2.2.2) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
电信辽宁盘锦	101ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 300 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 300 IN A 115.238.6.71 ;; Query time: 101 msec ;; SERVER: 219.148.204.66#53(219.148.204.66) ;; WHEN: Fri Oct 30 17:47:10 UTC 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
电信内蒙古包头	71ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 115.238.6.71 ;; Query time: 71 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 273 详情详情 HTTP PING DNS
电信青海西宁	107ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 600 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 600 IN A 115.238.6.71 ;; Query time: 107 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 825 详情详情 HTTP PING DNS
电信天津	33ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 300 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 300 IN A 115.238.6.71 ;; Query time: 33 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 858 详情详情 HTTP PING DNS
电信云南曲靖	76ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 115.238.6.71[浙江杭州电信]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 300 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 300 IN A 115.238.6.71 ;; Query time: 76 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
移动内蒙古	140ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 39.173.44.4[浙江衢州常山县移动]	91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 39.173.44.4 ;; Query time: 140 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Oct 30 17:47:11 UTC 2026 ;; MSG SIZE rcvd: 171 详情详情 HTTP PING DNS
移动福建福州	105ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 39.173.44.4[浙江衢州常山县移动]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 39.173.44.4 ;; Query time: 105 msec ;; SERVER: 211.138.156.66#53(211.138.156.66) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
移动甘肃兰州	94ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 39.173.44.4[浙江衢州常山县移动]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 600 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 600 IN A 39.173.44.4 ;; Query time: 94 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
移动广东广州	108ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 39.173.44.4[浙江衢州常山县移动]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 39.173.44.4 ;; Query time: 108 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 273 详情详情 HTTP PING DNS
移动河北沧州	52ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 39.173.44.4[浙江衢州常山县移动]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 39.173.44.4 ;; Query time: 52 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
移动湖南长沙	101ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 39.173.44.4[浙江衢州常山县移动]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 39.173.44.4 ;; Query time: 101 msec ;; SERVER: 211.142.211.124#53(211.142.211.124) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 273 详情详情 HTTP PING DNS
移动辽宁大连	86ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 39.173.44.4[浙江衢州常山县移动]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 39.173.44.4 ;; Query time: 86 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
移动宁夏银川	1ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 39.173.44.4[浙江衢州常山县移动]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 39.173.44.4 ;; Query time: 1 msec ;; SERVER: 192.168.1.1#53(192.168.1.1) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
移动陕西渭南	125ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 39.173.44.4[浙江衢州常山县移动]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 39.173.44.4 ;; Query time: 125 msec ;; SERVER: 119.29.29.29#53(119.29.29.29) ;; WHEN: Fri Oct 30 17:47:10 UTC 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
移动四川攀枝花	178ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 39.173.44.4[浙江衢州常山县移动]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 59 IN A 39.173.44.4 ;; Query time: 178 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sat Oct 31 01:47:11 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
移动天津	85ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 39.173.44.4[浙江衢州常山县移动]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 39.173.44.4 ;; Query time: 85 msec ;; SERVER: 211.136.17.107#53(211.136.17.107) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
联通福建福州	130ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 101.67.62.17[浙江杭州联通]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 101.67.62.17 ;; Query time: 130 msec ;; SERVER: 218.104.128.106#53(218.104.128.106) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
联通广西梧州	349ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 101.67.62.17[浙江杭州联通]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 300 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 300 IN A 101.67.62.17 ;; Query time: 349 msec ;; SERVER: 192.168.5.30#53(192.168.5.30) ;; WHEN: Fri Oct 30 17:47:11 UTC 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
联通黑龙江大庆	142ms	blackboard-master-jy.cn-hangzhou.taihangpkx.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 101.67.62.17[浙江杭州联通]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 600 IN CNAME blackboard-master-jy.cn-hangzhou.taihangpkx.cn. blackboard-master-jy.cn-hangzhou.taihangpkx.cn. 60 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 60 IN A 101.67.62.17 ;; Query time: 142 msec ;; SERVER: 202.97.224.69#53(202.97.224.69) ;; WHEN: Sat Oct 31 01:47:10 CST 2026 ;; MSG SIZE rcvd: 262 详情详情 HTTP PING DNS
联通江西南昌	65ms	sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 39.173.44.4[浙江衢州常山县移动]	; <<>> DiG Go <<>> +noall +answer +stats 91db.top ;; global options: +cmd ;; ANSWER SECTION: 91db.top. 3 IN CNAME sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. sc-2daa.cn-hangzhou.oss-adns.taihangtop-tra.cn. 3 IN A 39.173.44.4 ;; Query time: 65 msec ;; SERVER: 172.18.20.2#53(172.18.20.2) ;; WHEN: Fri Oct 30 17:47:10 UTC 2026 ;; MSG SIZE rcvd: 156 详情详情 HTTP PING DNS