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021av.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021av.com2026-10-03 02:05:12
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%

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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 陕西渭南联通5ms 湖南长沙电信1059ms 150.5ms
电信 安徽合肥电信12ms 湖南长沙电信1059ms 155.6ms
移动 广东广州移动7ms 江苏无锡移动433ms 145.429ms
联通 陕西渭南联通5ms 甘肃庆阳联通348ms 149.091ms
华东 安徽合肥电信12ms 江苏无锡移动433ms 167.167ms
华北 山西长治电信26ms 北京移动273ms 79.667ms
华南 广东广州移动7ms 广西梧州联通291ms 149ms
华中 湖北宜昌电信133ms 湖南长沙电信1059ms 462.333ms
西北 陕西渭南联通5ms 甘肃庆阳联通348ms 120.667ms
西南 重庆电信64ms 重庆联通283ms 123.5ms
东北 辽宁大连移动28ms 辽宁营口联通67ms 48ms
解析占比
全部 电信 移动 联通 被污染
121.199.25.207
121.199.25.207
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 江西
59ms 121.199.25.207[浙江杭州阿里云]
021av.com.		3600	IN	A	121.199.25.207
;; Query time: 59 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Oct 02 18:04:46 UTC 2026
;; MSG SIZE  rcvd: 43

详情
详情 HTTP PING DNS
电信 安徽合肥
12ms 121.199.25.207[浙江杭州阿里云]
021av.com.		775	IN	A	121.199.25.207
;; Query time: 12 msec
;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP)
;; WHEN: Sat Oct 03 02:04:45 CST 2026
;; MSG SIZE  rcvd: 43

详情
详情 HTTP PING DNS
电信 贵州黔南布依族苗族自治州
74ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 74 msec
;; SERVER: 192.168.110.1#53(192.168.110.1)
;; WHEN: Sat Oct 03 02:04:46 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 河北唐山
53ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 53 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Sat Oct 03 02:04:45 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 湖北宜昌
133ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 133 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Oct 03 02:04:46 CST 2026
;; MSG SIZE  rcvd: 730
详情
详情 HTTP PING DNS
电信 湖南长沙
1059ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 1059 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Fri Oct 02 18:04:46 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 吉林长春
40ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 40 msec
;; SERVER: 219.149.194.55#53(219.149.194.55)
;; WHEN: Sat Oct 03 02:04:45 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 内蒙古包头
36ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	775	IN	A	121.199.25.207

;; Query time: 36 msec
;; SERVER: 114.114.114.114#53(114.114.114.114)
;; WHEN: Fri Oct 02 18:04:45 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
电信 山东滨州
0ms 没有记录
;; communications error to 223.5.5.5:53: read udp 192.168.0.155:40787->223.5.5.5:53: i/o timeout
详情
详情 HTTP PING DNS
电信 山西长治
26ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 26 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Fri Oct 02 18:04:45 UTC 2026
;; MSG SIZE  rcvd: 730
详情
详情 HTTP PING DNS
电信 重庆
64ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 64 msec
;; SERVER: 61.128.128.68#53(61.128.128.68)
;; WHEN: Sat Oct 03 02:04:45 CST 2026
;; MSG SIZE  rcvd: 730
详情
详情 HTTP PING DNS
移动 北京
273ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	300	IN	A	121.199.25.207

;; Query time: 273 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Sat Oct 03 02:04:46 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 广东广州
7ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	900	IN	A	121.199.25.207

;; Query time: 7 msec
;; SERVER: 211.136.192.6#53(211.136.192.6)
;; WHEN: Sat Oct 03 02:04:45 CST 2026
;; MSG SIZE  rcvd: 730
详情
详情 HTTP PING DNS
移动 河南郑州
195ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 195 msec
;; SERVER: 211.138.24.71#53(211.138.24.71)
;; WHEN: Sat Oct 03 02:04:46 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 江苏无锡
433ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 433 msec
;; SERVER: 221.131.143.69#53(221.131.143.69)
;; WHEN: Sat Oct 03 02:04:46 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 辽宁大连
28ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 28 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 03 02:04:45 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 青海西宁
9ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	5	IN	A	121.199.25.207

;; Query time: 9 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Oct 03 02:04:45 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
移动 西藏拉萨
73ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 73 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Oct 03 02:04:45 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 安徽亳州
253ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 253 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Fri Oct 02 18:04:46 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 福建厦门
48ms 121.199.25.207[浙江杭州阿里云]
021av.com.		1	IN	A	121.199.25.207
;; Query time: 48 msec
;; SERVER: 127.0.0.1#53(127.0.0.1) (UDP)
;; WHEN: Sat Oct 03 02:04:46 CST 2026
;; MSG SIZE  rcvd: 43

详情
详情 HTTP PING DNS
联通 甘肃庆阳
348ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 348 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Fri Oct 02 18:04:46 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 广西梧州
291ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 291 msec
;; SERVER: 192.168.5.30#53(192.168.5.30)
;; WHEN: Sat Oct 03 02:04:46 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 河北廊坊
45ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 45 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Fri Oct 02 18:04:45 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 吉林长春
57ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 57 msec
;; SERVER: 202.98.0.68#53(202.98.0.68)
;; WHEN: Sat Oct 03 02:04:45 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 辽宁营口
67ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 67 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Fri Oct 02 18:04:45 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 山东济南
198ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 198 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Fri Oct 02 18:04:32 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 山西临汾
45ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 45 msec
;; SERVER: 223.5.5.5#53(223.5.5.5)
;; WHEN: Fri Oct 02 18:04:45 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 陕西渭南
5ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	1	IN	A	121.199.25.207

;; Query time: 5 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Fri Oct 02 18:04:45 UTC 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS
联通 重庆
283ms 121.199.25.207[浙江杭州阿里云]
; <<>> DiG Go <<>> +noall +answer +stats 021av.com
;; global options: +cmd

;; ANSWER SECTION:
021av.com.	3600	IN	A	121.199.25.207

;; Query time: 283 msec
;; SERVER: 221.5.203.98#53(221.5.203.98)
;; WHEN: Sat Oct 03 02:04:46 CST 2026
;; MSG SIZE  rcvd: 52
详情
详情 HTTP PING DNS

查询结果仅供参考,不保证100%准确。

021av.com 优化建议

1、基于浙江杭州阿里云单节点覆盖,建议结合dns测试工具与dns检测工具横向对比dns解析查询在线与dns测速在线结果,优先部署dns解析记录查询及dns历史解析记录查询节点以规避单一解析源。
2、针对最高1059ms与最低0ms响应差距,推荐使用dns在线查询和dns速度在线测试定位dns解析速度测试瓶颈,结合dns查询网接入dns轮询与智能dns调度,优化dns解析在线体验并降低dns劫持检测风险。
3、为提升dns检测可靠性,建议启用dns污染查询工具与dns域名污染检测监控dns污染在线检测状态,同时引入国内公共dns及阿里公共dns作为备用节点,平衡dns速度测试与dns污染检测的稳定性。

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更新时间 2026-10-03 04:54:02
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