广告
提示
工具简介
yosafe.cn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yosafe.cn2026-10-05 02:02:19
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%

登录51CESU,立即查看域名污染全国分布情况
立即登录
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18ms 宁夏银川联通826ms 278.5ms
电信 上海电信18ms -515ms 195.231ms
移动 安徽六安移动150ms 河北唐山移动409ms 290ms
联通 天津联通235ms 宁夏银川联通826ms 378.7ms
华东 上海电信18ms 安徽亳州联通342ms 200.545ms
华北 -71ms 河北唐山移动409ms 246ms
华南 海南海口电信87ms 广西南宁电信118ms 102.5ms
华中 湖北宜昌联通253ms 湖南长沙电信320ms 286.5ms
西北 陕西西安移动241ms 宁夏银川联通826ms 401.833ms
西南 云南楚雄彝族自治州电信111ms -317ms 242.667ms
东北 -515ms 辽宁营口联通733ms 624ms
解析占比
全部 电信 移动 联通 被污染
s.821yo.com.
49.235.137.50
s.821yo.com.
49.235.137.50
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 山东
225ms s.821yo.com.
49.235.137.50[上海腾讯]
yosafe.cn.		600	IN	CNAME	s.821yo.com.
s.821yo.com.		600	IN	A	49.235.137.50
;; Query time: 225 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 04 18:01:48 UTC 2026
;; MSG SIZE  rcvd: 68

详情
详情 HTTP PING DNS
电信 北京
71ms s.821yo.com.
49.235.137.50[上海腾讯]
yosafe.cn.		600	IN	CNAME	s.821yo.com.
s.821yo.com.		600	IN	A	49.235.137.50
;; Query time: 71 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 04 18:01:28 UTC 2026
;; MSG SIZE  rcvd: 68

详情
详情 HTTP PING DNS
电信 黑龙江
515ms s.821yo.com.
49.235.137.50[上海腾讯]
yosafe.cn.		600	IN	CNAME	s.821yo.com.
s.821yo.com.		599	IN	A	49.235.137.50
;; Query time: 515 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 04 18:01:30 UTC 2026
;; MSG SIZE  rcvd: 79

详情
详情 HTTP PING DNS
电信 安徽合肥
60ms s.821yo.com.
49.235.137.50[上海腾讯]
yosafe.cn.		601	IN	CNAME	s.821yo.com.
s.821yo.com.		601	IN	A	49.235.137.50
;; Query time: 60 msec
;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 68

详情
详情 HTTP PING DNS
电信 广西南宁
118ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 118 msec
;; SERVER: 202.103.224.68#53(202.103.224.68)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
电信 海南海口
87ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 87 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 05 02:01:26 CST 2026
;; MSG SIZE  rcvd: 786
详情
详情 HTTP PING DNS
电信 河北唐山
269ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 269 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
电信 湖南长沙
320ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 320 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sun Oct 04 18:01:27 UTC 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
电信 江苏苏州
70ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 70 msec
;; SERVER: 218.2.2.2#53(218.2.2.2)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
电信 上海
18ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 18 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 786
详情
详情 HTTP PING DNS
电信 新疆乌鲁木齐
402ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 402 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Mon Oct 05 02:01:03 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
电信 云南楚雄彝族自治州
111ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 111 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sun Oct 04 18:01:29 UTC 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
电信 浙江宁波
272ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 272 msec
;; SERVER: 61.153.81.75#53(61.153.81.75)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
移动 安徽六安
150ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 150 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
移动 河北唐山
409ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 409 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
移动 江西宜春
261ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 261 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 99
详情
详情 HTTP PING DNS
移动 陕西西安
241ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 241 msec
;; SERVER: 211.137.130.3#53(211.137.130.3)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 786
详情
详情 HTTP PING DNS
移动 上海
283ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 283 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
移动 西藏拉萨
300ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 300 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
移动 新疆伊犁哈萨克自治州
386ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 386 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 四川
317ms s.821yo.com.
49.235.137.50[上海腾讯]
yosafe.cn.		600	IN	CNAME	s.821yo.com.
s.821yo.com.		600	IN	A	49.235.137.50
;; Query time: 317 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 04 18:01:48 UTC 2026
;; MSG SIZE  rcvd: 68

详情
详情 HTTP PING DNS
联通 江西
262ms s.821yo.com.
49.235.137.50[上海腾讯]
yosafe.cn.		300	IN	CNAME	s.821yo.com.
s.821yo.com.		300	IN	A	49.235.137.50
;; Query time: 262 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 04 18:01:28 UTC 2026
;; MSG SIZE  rcvd: 68

详情
详情 HTTP PING DNS
联通 安徽亳州
342ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	599	IN	A	49.235.137.50

;; Query time: 342 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sun Oct 04 18:01:27 UTC 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 甘肃庆阳
288ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 288 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sun Oct 04 18:01:27 UTC 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 湖北宜昌
253ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 253 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 辽宁营口
733ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 733 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sun Oct 04 18:01:28 UTC 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 宁夏银川
826ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 826 msec
;; SERVER: 192.168.101.1#53(192.168.101.1)
;; WHEN: Mon Oct 05 02:01:29 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 陕西西安
268ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 268 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sun Oct 04 18:01:27 UTC 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 上海
263ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 263 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 天津
235ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats yosafe.cn
;; global options: +cmd

;; ANSWER SECTION:
yosafe.cn.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	600	IN	A	49.235.137.50

;; Query time: 235 msec
;; SERVER: 202.99.96.68#53(202.99.96.68)
;; WHEN: Mon Oct 05 02:01:27 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS

查询结果仅供参考,不保证100%准确。

yosafe.cn 优化建议

1、优化解析指向单一节点,风险集中且延迟波动明显,建议结合dns解析在线查询与dns检测工具评估多线路部署方案,通过dns测速在线对比上海腾讯与备用节点响应差异,降低单点故障概率。
2、当前dns解析速度测试显示延迟跨度从18ms到826ms,需关注dns劫持检测与dns污染查询状态,利用在线dns测试工具定期监控解析一致性,并启用dns选优策略优化不同运营商访问路径。
3、建议引入智能dns或dns轮询机制分流请求,同步使用dns查询工具验证s.821yo.com别名记录的稳定性,参考dns污染在线检测结果调整TTL值,同时结合dns在线测试持续追踪dns解析记录查询的响应质量。

其他工具历史

更新时间 2026-10-06 07:03:02
广告
广告