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821yo.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821yo.com2026-10-05 02:02:17
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 -16ms 甘肃兰州电信2500ms 236.8ms
电信 -16ms 甘肃兰州电信2500ms 482.333ms
移动 上海移动22ms 西藏拉萨移动404ms 154.091ms
联通 内蒙古呼和浩特联通37ms 福建漳州联通384ms 193.462ms
华东 上海移动22ms 福建漳州联通384ms 174.875ms
华北 -16ms 河北唐山移动43ms 34.8ms
华南 广东广州移动112ms 海南海口联通273ms 196ms
华中 湖北武汉移动136ms 湖南邵阳联通263ms 199.5ms
西北 甘肃庆阳联通51ms 甘肃兰州电信2500ms 611.4ms
西南 四川眉山移动40ms 西藏拉萨移动404ms 218.8ms
东北 -130ms 吉林长春联通263ms 196.5ms
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 北京
16ms s.821yo.com.
49.235.137.50[上海腾讯]
821yo.com.		600	IN	CNAME	s.821yo.com.
s.821yo.com.		595	IN	A	49.235.137.50
;; Query time: 16 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 04 18:01:33 UTC 2026
;; MSG SIZE  rcvd: 59

详情
详情 HTTP PING DNS
电信 青海
150ms s.821yo.com.
49.235.137.50[上海腾讯]
821yo.com.		30	IN	CNAME	s.821yo.com.
s.821yo.com.		30	IN	A	49.235.137.50
;; Query time: 150 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 04 18:01:33 UTC 2026
;; MSG SIZE  rcvd: 433

详情
详情 HTTP PING DNS
电信 黑龙江
130ms s.821yo.com.
49.235.137.50[上海腾讯]
821yo.com.		600	IN	CNAME	s.821yo.com.
s.821yo.com.		600	IN	A	49.235.137.50
;; Query time: 130 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 04 18:01:33 UTC 2026
;; MSG SIZE  rcvd: 59

详情
详情 HTTP PING DNS
电信 安徽合肥
42ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

;; ANSWER SECTION:
821yo.com.	900	IN	CNAME	s.821yo.com.
s.821yo.com.	900	IN	A	49.235.137.50

;; Query time: 42 msec
;; SERVER: 61.132.163.68#53(61.132.163.68)
;; WHEN: Mon Oct 05 02:01:32 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
电信 甘肃兰州
2500ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 2500 msec
;; SERVER: 202.100.64.68#53(202.100.64.68)
;; WHEN: Mon Oct 05 02:01:35 CST 2026
;; MSG SIZE  rcvd: 786
详情
详情 HTTP PING DNS
电信 贵州黔南布依族苗族自治州
56ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 56 msec
;; SERVER: 192.168.110.1#53(192.168.110.1)
;; WHEN: Mon Oct 05 02:01:32 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
移动 广东广州
112ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

;; ANSWER SECTION:
821yo.com.	900	IN	CNAME	s.821yo.com.
s.821yo.com.	900	IN	A	49.235.137.50

;; Query time: 112 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 05 02:01:32 CST 2026
;; MSG SIZE  rcvd: 786
详情
详情 HTTP PING DNS
移动 广西南宁
203ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 203 msec
;; SERVER: 211.138.240.100#53(211.138.240.100)
;; WHEN: Mon Oct 05 02:01:33 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
移动 河北唐山
43ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

;; ANSWER SECTION:
821yo.com.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	596	IN	A	49.235.137.50

;; Query time: 43 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 05 02:01:32 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
移动 湖北武汉
136ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 136 msec
;; SERVER: 211.137.58.20#53(211.137.58.20)
;; WHEN: Mon Oct 05 02:01:32 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
移动 宁夏银川
132ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 132 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Mon Oct 05 02:01:32 CST 2026
;; MSG SIZE  rcvd: 797
详情
详情 HTTP PING DNS
移动 上海
22ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

;; ANSWER SECTION:
821yo.com.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	595	IN	A	49.235.137.50

;; Query time: 22 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Mon Oct 05 02:01:32 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
移动 四川眉山
40ms s.821yo.com.
49.235.137.50[上海腾讯]
821yo.com.		600	IN	CNAME	s.821yo.com.
s.821yo.com.		600	IN	A	49.235.137.50
;; Query time: 40 msec
;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP)
;; WHEN: Mon Oct 05 02:01:32 CST 2026
;; MSG SIZE  rcvd: 59

详情
详情 HTTP PING DNS
移动 西藏拉萨
404ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 404 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 05 02:01:32 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
224ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

;; ANSWER SECTION:
821yo.com.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	594	IN	A	49.235.137.50

;; Query time: 224 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Mon Oct 05 02:01:33 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
移动 浙江杭州
116ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

;; ANSWER SECTION:
821yo.com.	30	IN	CNAME	s.821yo.com.
s.821yo.com.	30	IN	A	49.235.137.50

;; Query time: 116 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 05 02:01:32 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
移动 重庆
263ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 263 msec
;; SERVER: 192.168.68.1#53(192.168.68.1)
;; WHEN: Mon Oct 05 02:01:33 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 贵州
331ms s.821yo.com.
49.235.137.50[上海腾讯]
821yo.com.		600	IN	CNAME	s.821yo.com.
s.821yo.com.		600	IN	A	49.235.137.50
;; Query time: 331 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 04 18:01:34 UTC 2026
;; MSG SIZE  rcvd: 59

详情
详情 HTTP PING DNS
联通 北京
39ms s.821yo.com.
49.235.137.50[上海腾讯]
821yo.com.		600	IN	CNAME	s.821yo.com.
s.821yo.com.		598	IN	A	49.235.137.50
;; Query time: 39 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 04 18:01:33 UTC 2026
;; MSG SIZE  rcvd: 70

详情
详情 HTTP PING DNS
联通 江西
275ms s.821yo.com.
49.235.137.50[上海腾讯]
821yo.com.		600	IN	CNAME	s.821yo.com.
s.821yo.com.		600	IN	A	49.235.137.50
;; Query time: 275 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Oct 04 18:01:34 UTC 2026
;; MSG SIZE  rcvd: 59

详情
详情 HTTP PING DNS
联通 福建漳州
384ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 384 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Oct 05 02:01:32 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 甘肃庆阳
51ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

;; ANSWER SECTION:
821yo.com.	600	IN	CNAME	s.821yo.com.
s.821yo.com.	595	IN	A	49.235.137.50

;; Query time: 51 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sun Oct 04 18:01:32 UTC 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 海南海口
273ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 273 msec
;; SERVER: 221.11.132.2#53(221.11.132.2)
;; WHEN: Mon Oct 05 02:01:32 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 湖南邵阳
263ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 263 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sun Oct 04 18:01:33 UTC 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 吉林长春
263ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 263 msec
;; SERVER: 202.98.0.68#53(202.98.0.68)
;; WHEN: Mon Oct 05 02:01:33 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 江苏泰州
66ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 66 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Mon Oct 05 02:01:32 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 内蒙古呼和浩特
37ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 37 msec
;; SERVER: 202.99.224.68#53(202.99.224.68)
;; WHEN: Mon Oct 05 02:01:32 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 山西临汾
39ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 39 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sun Oct 04 18:01:32 UTC 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 上海
265ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 265 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Mon Oct 05 02:01:33 CST 2026
;; MSG SIZE  rcvd: 88
详情
详情 HTTP PING DNS
联通 浙江金华
229ms s.821yo.com.
49.235.137.50[上海腾讯]
; <<>> DiG Go <<>> +noall +answer +stats 821yo.com
;; global options: +cmd

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

;; Query time: 229 msec
;; SERVER: 221.12.1.227#53(221.12.1.227)
;; WHEN: Mon Oct 05 02:01:33 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。

821yo.com 优化建议

1、针对多次查询均指向同一上海腾讯IP且无地址变化的情况,建议优先使用dns解析查询工具结合dns历史解析记录查询确认节点稳定性,并利用dns测速在线功能完成dns延迟测试,同时关注dns污染检测结果以排除潜在风险。
2、基于查询时间从16ms到2500ms波动明显的现象,建议部署dns测速工具开展dns速度在线测试,借助在线测试最佳dns或dns测试网站对比dns解析速度测试数据,并可采用dns选优策略筛选响应最优的dns服务器查询路径。
3、为优化整体解析表现,建议启用dns轮询或智能dns机制分散访问负载,同时参考dns污染查询工具及dns劫持检测结果定期执行dns域名污染查询,结合dns解析记录查询数据完善dns解析方案并提升dns查询网站可用性。

其他工具历史

更新时间 2026-10-05 09:39:03
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