extmed.com的DNS测速结果_dns解析查询

工具简介

extmed.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extmed.com2026-10-09 01:36:18

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	河北唐山联通63ms	陕西渭南电信675ms	360.833ms
电信	-214ms	陕西渭南电信675ms	350.333ms
移动	-146ms	西藏拉萨移动545ms	358.1ms
联通	河北唐山联通63ms	山东潍坊联通496ms	371.909ms
华东	安徽合肥电信239ms	山东潍坊联通496ms	386.625ms
华北	河北唐山联通63ms	河北唐山移动383ms	301.571ms
华南	-146ms	广西南宁移动456ms	326.667ms
华中	湖南长沙移动358ms	河南洛阳移动436ms	397ms
西北	宁夏银川电信219ms	陕西渭南电信675ms	395ms
西南	-214ms	西藏拉萨移动545ms	391.2ms
东北	-318ms	辽宁大连电信388ms	353ms

解析占比

全部4 电信2 移动2 联通4 被污染0

复制IP

104.21.19.230
172.67.190.115
189.24.82.134
189.24.106.253

104.21.19.230 96.667%

172.67.190.115 96.667%

189.24.82.134 3.333%

189.24.106.253 3.333%

DNS查询详情

全部

响应超时0 被污染0

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	348ms	104.21.19.230[美国Cloudflare, Inc.] 172.67.190.115[美国Cloudflare, Inc.]	extmed.com. 300 IN A 104.21.19.230 extmed.com. 300 IN A 172.67.190.115 ;; Query time: 348 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Oct 08 17:35:09 UTC 2026 ;; MSG SIZE rcvd: 60 详情详情 HTTP PING DNS
电信黑龙江	318ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 318 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Oct 08 17:35:08 UTC 2026 ;; MSG SIZE rcvd: 60 详情详情 HTTP PING DNS
电信西藏	214ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 214 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Oct 08 17:35:08 UTC 2026 ;; MSG SIZE rcvd: 60 详情详情 HTTP PING DNS
电信内蒙古	292ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 292 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Oct 08 17:35:28 UTC 2026 ;; MSG SIZE rcvd: 71 详情详情 HTTP PING DNS
电信安徽合肥	239ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 900 IN A 172.67.190.115 extmed.com. 900 IN A 104.21.19.230 ;; Query time: 239 msec ;; SERVER: 61.132.163.68#53(61.132.163.68) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
电信辽宁大连	388ms	104.21.19.230[美国Cloudflare, Inc.] 172.67.190.115[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 104.21.19.230 extmed.com. 300 IN A 172.67.190.115 ;; Query time: 388 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
电信宁夏银川	219ms	104.21.19.230[美国Cloudflare, Inc.] 172.67.190.115[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 104.21.19.230 extmed.com. 300 IN A 172.67.190.115 ;; Query time: 219 msec ;; SERVER: 202.100.96.68#53(202.100.96.68) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
电信陕西渭南	675ms	104.21.19.230[美国Cloudflare, Inc.] 172.67.190.115[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 104.21.19.230 extmed.com. 300 IN A 172.67.190.115 ;; Query time: 675 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Thu Oct 08 17:35:09 UTC 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
电信浙江温州	460ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 460 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
移动海南	146ms	104.21.19.230[美国Cloudflare, Inc.] 172.67.190.115[美国Cloudflare, Inc.]	extmed.com. 300 IN A 104.21.19.230 extmed.com. 300 IN A 172.67.190.115 ;; Query time: 146 msec ;; SERVER: 1.1.1.1#53(1.1.1.1) ;; WHEN: Thu Oct 08 17:35:09 UTC 2026 ;; MSG SIZE rcvd: 71 详情详情 HTTP PING DNS
移动浙江	286ms	104.21.19.230[美国Cloudflare, Inc.] 172.67.190.115[美国Cloudflare, Inc.]	extmed.com. 600 IN A 104.21.19.230 extmed.com. 600 IN A 172.67.190.115 ;; Query time: 286 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Oct 08 17:35:28 UTC 2026 ;; MSG SIZE rcvd: 60 详情详情 HTTP PING DNS
移动安徽六安	399ms	104.21.19.230[美国Cloudflare, Inc.] 172.67.190.115[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 600 IN A 104.21.19.230 extmed.com. 600 IN A 172.67.190.115 ;; Query time: 399 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
移动广西南宁	456ms	104.21.19.230[美国Cloudflare, Inc.] 172.67.190.115[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 104.21.19.230 extmed.com. 300 IN A 172.67.190.115 ;; Query time: 456 msec ;; SERVER: 211.138.240.100#53(211.138.240.100) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
移动河北唐山	383ms	104.21.19.230[美国Cloudflare, Inc.] 172.67.190.115[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 104.21.19.230 extmed.com. 300 IN A 172.67.190.115 ;; Query time: 383 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
移动河南洛阳	436ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 436 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
移动湖南长沙	358ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 358 msec ;; SERVER: 211.142.211.124#53(211.142.211.124) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 91 详情详情 HTTP PING DNS
移动内蒙古阿拉善盟	281ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 281 msec ;; SERVER: 211.138.91.1#53(211.138.91.1) (UDP) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 60 详情详情 HTTP PING DNS
移动宁夏银川	291ms	104.21.19.230[美国Cloudflare, Inc.] 172.67.190.115[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 104.21.19.230 extmed.com. 300 IN A 172.67.190.115 ;; Query time: 291 msec ;; SERVER: 192.168.1.1#53(192.168.1.1) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 711 详情详情 HTTP PING DNS
移动西藏拉萨	545ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 545 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
联通重庆	450ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 450 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Oct 08 17:35:09 UTC 2026 ;; MSG SIZE rcvd: 60 详情详情 HTTP PING DNS
联通江西	400ms	104.21.19.230[美国Cloudflare, Inc.] 172.67.190.115[美国Cloudflare, Inc.]	extmed.com. 300 IN A 104.21.19.230 extmed.com. 300 IN A 172.67.190.115 ;; Query time: 400 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Oct 08 17:35:09 UTC 2026 ;; MSG SIZE rcvd: 60 详情详情 HTTP PING DNS
联通福建福州	387ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 387 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
联通广西梧州	378ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 378 msec ;; SERVER: 192.168.5.30#53(192.168.5.30) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
联通贵州贵阳	371ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 371 msec ;; SERVER: 221.13.28.234#53(221.13.28.234) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
联通河北唐山	63ms	189.24.82.134[巴西米纳斯吉拉斯州茹伊斯迪福拉] 189.24.106.253[美国]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 60 IN A 189.24.82.134 extmed.com. 60 IN A 189.24.106.253 ;; Query time: 63 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
联通内蒙古呼和浩特	369ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 369 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
联通山东潍坊	496ms	104.21.19.230[美国Cloudflare, Inc.] 172.67.190.115[美国Cloudflare, Inc.]	extmed.com. 300 IN A 104.21.19.230 extmed.com. 300 IN A 172.67.190.115 ;; Query time: 496 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) (UDP) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 71 详情详情 HTTP PING DNS
联通山西长治	375ms	104.21.19.230[美国Cloudflare, Inc.] 172.67.190.115[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 104.21.19.230 extmed.com. 300 IN A 172.67.190.115 ;; Query time: 375 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Thu Oct 08 17:35:08 UTC 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
联通上海	426ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 426 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS
联通四川成都	376ms	172.67.190.115[美国Cloudflare, Inc.] 104.21.19.230[美国Cloudflare, Inc.]	; <<>> DiG Go <<>> +noall +answer +stats extmed.com ;; global options: +cmd ;; ANSWER SECTION: extmed.com. 300 IN A 172.67.190.115 extmed.com. 300 IN A 104.21.19.230 ;; Query time: 376 msec ;; SERVER: 119.6.6.6#53(119.6.6.6) ;; WHEN: Fri Oct 09 01:35:08 CST 2026 ;; MSG SIZE rcvd: 80 详情详情 HTTP PING DNS

查询结果仅供参考，不保证100%准确。

extmed.com 优化建议

1、建议优先关注域名解析结果的稳定性，多次查询均指向同一组记录，可结合dns在线查询工具持续监测变化，同时利用dns解析速度测试评估各节点响应差异，并借助dns检测工具排查潜在污染风险，确保dns解析在线查询结果可靠。

2、针对响应时间波动明显的情况，建议使用dns测速工具对比不同区域节点的表现，通过dns解析查询在线功能分析海外与国内线路差异，并参考dns测速在线数据优化解析策略，必要时利用dns在线测试验证配置调整效果，提升整体dns检测效率。

3、考虑到个别查询存在响应异常，建议部署dns污染检测机制，通过dns域名污染查询定期检查解析一致性，并采用dns域名解析查询工具对比权威数据，结合dns速度在线测试筛选最优节点，同时利用dns历史解析记录查询追踪变更趋势，保障dns解析服务稳定。

其他工具历史

更新时间 2026-10-09 02:46:02

	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