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biosafety-exam.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biosafety-exam.com2026-10-14 02:03:08
预估消耗 0 检测点,实际消耗以【检测点账单】为准
29

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 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 贵州黔南布依族苗族自治州电信108ms 海南三亚移动1079ms 317.536ms
电信 贵州黔南布依族苗族自治州电信108ms 甘肃庆阳电信375ms 221.375ms
移动 广东广州移动161ms 海南三亚移动1079ms 337.167ms
联通 内蒙古赤峰联通274ms 陕西西安联通477ms 384.25ms
华东 福建厦门移动182ms 江苏淮安移动464ms 295ms
华北 天津电信129ms 山西临汾联通373ms 299.25ms
华南 广东广州移动161ms 海南三亚移动1079ms 470.333ms
华中 河南洛阳移动233ms 河南洛阳移动233ms 233ms
西北 宁夏银川电信141ms 陕西西安联通477ms 338.667ms
西南 贵州黔南布依族苗族自治州电信108ms 云南昆明联通382ms 248ms
东北 吉林长春移动216ms 辽宁大连联通386ms 301ms
解析占比
全部 电信 移动 联通 被污染
189.73.73.9
189.73.73.9
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 福建漳州
191ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 191 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 14 02:02:47 CST 2026
;; MSG SIZE  rcvd: 230
详情
详情 HTTP PING DNS
电信 甘肃庆阳
375ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 375 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Tue Oct 13 18:02:48 UTC 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
电信 广西桂林
171ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 171 msec
;; SERVER: 202.103.225.68#53(202.103.225.68)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
电信 贵州黔南布依族苗族自治州
108ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 108 msec
;; SERVER: 192.168.110.1#53(192.168.110.1)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
电信 河北唐山
369ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 369 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
电信 宁夏银川
141ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 141 msec
;; SERVER: 202.100.96.68#53(202.100.96.68)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
电信 山西长治
287ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 287 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Tue Oct 13 18:02:48 UTC 2026
;; MSG SIZE  rcvd: 230
详情
详情 HTTP PING DNS
电信 天津
129ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 129 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 14 02:02:47 CST 2026
;; MSG SIZE  rcvd: 230
详情
详情 HTTP PING DNS
移动 福建厦门
182ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 182 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
移动 甘肃庆阳
324ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 324 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Tue Oct 13 18:02:48 UTC 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
移动 广东广州
161ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	900	IN	A	189.73.73.9

;; Query time: 161 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 230
详情
详情 HTTP PING DNS
移动 海南三亚
1079ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 1079 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 241
详情
详情 HTTP PING DNS
移动 河北唐山
309ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 309 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
移动 河南洛阳
233ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 233 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
移动 吉林长春
216ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 216 msec
;; SERVER: 211.141.16.99#53(211.141.16.99)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 230
详情
详情 HTTP PING DNS
移动 江苏淮安
464ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 464 msec
;; SERVER: 221.131.143.69#53(221.131.143.69)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
移动 青海西宁
316ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 316 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
移动 山东青岛
218ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 218 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
移动 天津
290ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 290 msec
;; SERVER: 211.136.17.107#53(211.136.17.107)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
移动 西藏拉萨
254ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 254 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 14 02:02:44 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
联通 青海
399ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
biosafety-exam.com.	600	IN	A	189.73.73.9
;; Query time: 399 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct 13 18:02:48 UTC 2026
;; MSG SIZE  rcvd: 52

详情
详情 HTTP PING DNS
联通 辽宁大连
386ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 386 msec
;; SERVER: 202.96.64.68#53(202.96.64.68)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
联通 内蒙古赤峰
274ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 274 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Tue Oct 13 18:02:23 UTC 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
联通 山西临汾
373ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 373 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Tue Oct 13 18:02:48 UTC 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
联通 陕西西安
477ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 477 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Tue Oct 13 18:02:48 UTC 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
联通 四川成都
0ms 没有记录
;; communications error to 119.6.6.6:53: read udp 192.168.1.3:59142->119.6.6.6:53: i/o timeout
详情
详情 HTTP PING DNS
联通 天津
363ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 363 msec
;; SERVER: 202.99.96.68#53(202.99.96.68)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
联通 云南昆明
382ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 382 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS
联通 浙江温州
420ms 189.73.73.9[巴西圣卡塔琳娜州弗洛里亚诺波利斯V tal]
; <<>> DiG Go <<>> +noall +answer +stats biosafety-exam.com
;; global options: +cmd

;; ANSWER SECTION:
biosafety-exam.com.	600	IN	A	189.73.73.9

;; Query time: 420 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Wed Oct 14 02:02:48 CST 2026
;; MSG SIZE  rcvd: 70
详情
详情 HTTP PING DNS

查询结果仅供参考,不保证100%准确。

biosafety-exam.com 优化建议

1、建议选用国内公共dns解析服务,分散单点解析压力,当前节点响应最快1ms最慢1079ms,平均需优化至200ms内,dns速度在线测试显示区域覆盖不足,需扩展。
2、建议启用智能dns解析调度,当前所有记录指向同一巴西IP,dns记录查询可见缺失国内节点,应基于在线测速最佳dns结果部署节点,并定期执行dns解析检测监控。
3、建议配置dns轮询机制以替代单一解析出口,dns在线查询显示存在超时未响应情况,需结合dns污染检测工具核查劫持风险,同时覆盖dns历史解析记录查询以稳定解析链路。

其他工具历史

更新时间 2026-10-14 04:32:02
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