a300.cn的DNS测速结果_dns解析查询_在线查询手机dns-51CESU

工具简介

a300.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a300.cn2026-11-02 02:16:23

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	重庆电信11ms	河北唐山联通265ms	54.207ms
电信	重庆电信11ms	海南海口电信73ms	37.333ms
移动	广东汕头移动20ms	-93ms	50ms
联通	天津联通24ms	河北唐山联通265ms	73.6ms
华东	上海电信14ms	安徽亳州联通96ms	43ms
华北	天津联通24ms	河北唐山联通265ms	102.5ms
华南	广东汕头移动20ms	海南海口电信73ms	46.5ms
华中	湖南岳阳联通28ms	湖南岳阳联通28ms	28ms
西北	陕西西安电信37ms	甘肃庆阳联通62ms	47.6ms
西南	重庆电信11ms	贵州遵义移动58ms	47.556ms
东北	黑龙江大庆联通74ms	黑龙江大庆联通74ms	74ms

解析占比

全部1 电信1 移动1 联通1 被污染0

复制IP

120.76.248.30

120.76.248.30 100%

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
电信甘肃兰州	46ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 46 msec ;; SERVER: 202.100.64.68#53(202.100.64.68) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 502 详情详情 HTTP PING DNS
电信海南海口	73ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 73 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 502 详情详情 HTTP PING DNS
电信江西南昌	40ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 40 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
电信宁夏银川	39ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 39 msec ;; SERVER: 202.100.96.68#53(202.100.96.68) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
电信山东济南	26ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 602 IN A 120.76.248.30 ;; Query time: 26 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Sun Nov 01 18:15:20 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
电信陕西西安	37ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 37 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Sun Nov 01 18:15:20 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
电信上海	14ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 14 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
电信四川成都	50ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 50 msec ;; SERVER: 61.139.2.69#53(61.139.2.69) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
电信重庆	11ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 11 msec ;; SERVER: 61.128.128.68#53(61.128.128.68) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 502 详情详情 HTTP PING DNS
移动内蒙古	93ms	120.76.248.30[广东深圳阿里云]	a300.cn. 600 IN A 120.76.248.30 ;; Query time: 93 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sun Nov 01 18:15:20 UTC 2026 ;; MSG SIZE rcvd: 41 详情详情 HTTP PING DNS
移动广东汕头	20ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 900 IN A 120.76.248.30 ;; Query time: 20 msec ;; SERVER: 211.136.192.6#53(211.136.192.6) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 352 详情详情 HTTP PING DNS
移动贵州遵义	58ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 58 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
移动江西南昌	33ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 33 msec ;; SERVER: 211.141.90.68#53(211.141.90.68) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 59 详情详情 HTTP PING DNS
移动山东泰安	44ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 44 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Nov 02 02:15:19 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
移动山西长治	28ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 28 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
移动四川攀枝花	55ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 55 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
移动西藏拉萨	58ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 58 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Nov 02 02:15:19 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
移动云南保山	56ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 56 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
移动重庆	55ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 55 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通安徽亳州	96ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 96 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Sun Nov 01 18:15:20 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通甘肃庆阳	62ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 62 msec ;; SERVER: 119.29.29.29#53(119.29.29.29) ;; WHEN: Sun Nov 01 18:15:20 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通贵州贵阳	40ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 40 msec ;; SERVER: 221.13.28.234#53(221.13.28.234) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通河北唐山	265ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 900 IN A 120.76.248.30 ;; Query time: 265 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 70 详情详情 HTTP PING DNS
联通黑龙江大庆	74ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 74 msec ;; SERVER: 202.97.224.69#53(202.97.224.69) ;; WHEN: Mon Nov 02 02:15:19 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通湖南岳阳	28ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 28 msec ;; SERVER: 58.20.127.170#53(58.20.127.170) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通江西南昌	48ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 3 IN A 120.76.248.30 ;; Query time: 48 msec ;; SERVER: 172.18.20.2#53(172.18.20.2) ;; WHEN: Sun Nov 01 18:15:20 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通宁夏石嘴山	54ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 54 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通天津	24ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 24 msec ;; SERVER: 202.99.96.68#53(202.99.96.68) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通云南昆明	45ms	120.76.248.30[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats a300.cn ;; global options: +cmd ;; ANSWER SECTION: a300.cn. 600 IN A 120.76.248.30 ;; Query time: 45 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Nov 02 02:15:20 CST 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS

查询结果仅供参考，不保证100%准确。

a300.cn 优化建议

1、dns测速在线显示解析稳定，dns解析查询在线均指向广东深圳阿里云，建议用dns速度测试持续监控并优化dns测速工具。
2、dns检测工具显示最慢265ms，建议结合dns解析速度测试与dns测速优化节点调度，降低dns在线测试工具响应差距。
3、dns污染检测未发现异常，建议用dns劫持检测与dns污染查询定期复核dns解析，并通过在线dns查询强化dns查询网记录。

其他工具历史

更新时间 2026-11-03 02:59:03

	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