back2back.cn的DNS测速结果_dns解析查询

工具简介

back2back.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back2back.cn2026-10-28 01:51:19

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	上海电信7ms	广西南宁联通73ms	47.207ms
电信	上海电信7ms	重庆电信61ms	36.6ms
移动	浙江湖州移动16ms	-70ms	46.9ms
联通	安徽蚌埠联通31ms	广西南宁联通73ms	59.333ms
华东	上海电信7ms	-66ms	40.857ms
华北	-19ms	-70ms	45ms
华南	海南澄迈县电信49ms	广西南宁联通73ms	61ms
华中	湖南长沙电信30ms	湖北武汉联通56ms	43ms
西北	甘肃兰州电信43ms	甘肃庆阳联通70ms	56.5ms
西南	四川成都移动38ms	重庆移动63ms	53.5ms
东北	黑龙江齐齐哈尔移动36ms	黑龙江齐齐哈尔移动36ms	36ms

解析占比

全部1 电信1 移动1 联通1 被污染0

复制IP

47.106.99.163

47.106.99.163 100%

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
电信北京	19ms	47.106.99.163[广东深圳阿里云]	back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 19 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Tue Oct 27 17:50:24 UTC 2026 ;; MSG SIZE rcvd: 46 详情详情 HTTP PING DNS
电信甘肃兰州	43ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 43 msec ;; SERVER: 202.100.64.68#53(202.100.64.68) ;; WHEN: Wed Oct 28 01:50:24 CST 2026 ;; MSG SIZE rcvd: 762 详情详情 HTTP PING DNS
电信海南澄迈县	49ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 49 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 762 详情详情 HTTP PING DNS
电信湖南长沙	30ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 30 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:24 CST 2026 ;; MSG SIZE rcvd: 69 详情详情 HTTP PING DNS
电信山西长治	31ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 31 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 762 详情详情 HTTP PING DNS
电信上海	7ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 7 msec ;; SERVER: 202.96.209.133#53(202.96.209.133) ;; WHEN: Wed Oct 28 01:50:24 CST 2026 ;; MSG SIZE rcvd: 762 详情详情 HTTP PING DNS
电信四川攀枝花	60ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 60 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:24 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
电信天津	22ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 22 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 762 详情详情 HTTP PING DNS
电信云南曲靖	44ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 44 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
电信重庆	61ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 61 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Wed Oct 28 01:50:24 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动内蒙古	70ms	47.106.99.163[广东深圳阿里云]	back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 70 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Tue Oct 27 17:50:24 UTC 2026 ;; MSG SIZE rcvd: 57 详情详情 HTTP PING DNS
移动河北唐山	53ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 53 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:24 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动黑龙江齐齐哈尔	36ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 36 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 762 详情详情 HTTP PING DNS
移动江苏无锡	45ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 45 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动江西宜春	61ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 61 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 69 详情详情 HTTP PING DNS
移动山西忻州	36ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 36 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动四川成都	38ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 38 msec ;; SERVER: 211.137.96.205#53(211.137.96.205) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动天津	51ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 51 msec ;; SERVER: 211.136.17.107#53(211.136.17.107) ;; WHEN: Wed Oct 28 01:50:24 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动浙江湖州	16ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 16 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动重庆	63ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 63 msec ;; SERVER: 192.168.68.1#53(192.168.68.1) ;; WHEN: Wed Oct 28 01:50:24 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
联通江西	66ms	47.106.99.163[广东深圳阿里云]	back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 66 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Tue Oct 27 17:50:24 UTC 2026 ;; MSG SIZE rcvd: 46 详情详情 HTTP PING DNS
联通安徽蚌埠	31ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 31 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
联通福建福州	60ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 60 msec ;; SERVER: 218.104.128.106#53(218.104.128.106) ;; WHEN: Wed Oct 28 01:50:24 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
联通甘肃庆阳	70ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 70 msec ;; SERVER: 119.29.29.29#53(119.29.29.29) ;; WHEN: Tue Oct 27 17:50:24 UTC 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
联通广西南宁	73ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 73 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
联通贵州遵义	55ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 55 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
联通河北廊坊	64ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 64 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Tue Oct 27 17:50:24 UTC 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
联通湖北武汉	56ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 56 msec ;; SERVER: 218.104.111.122#53(218.104.111.122) ;; WHEN: Wed Oct 28 01:50:23 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
联通天津	59ms	47.106.99.163[广东深圳阿里云]	; <<>> DiG Go <<>> +noall +answer +stats back2back.cn ;; global options: +cmd ;; ANSWER SECTION: back2back.cn. 600 IN A 47.106.99.163 ;; Query time: 59 msec ;; SERVER: 202.99.96.68#53(202.99.96.68) ;; WHEN: Wed Oct 28 01:50:24 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS

查询结果仅供参考，不保证100%准确。

back2back.cn 优化建议

1、使用dns延迟测试与dns测速在线工具监测各节点响应，当前最快7ms、最慢73ms，建议对慢节点做dns测速优化。
2、结合dns记录查询与dns历史解析记录查询核对解析一致性，结果指向广东深圳阿里云单一IP，建议补全dns解析查询在线核验。
3、借助dns污染检测与dns劫持检测确认无污染无劫持，建议定期用在线dns测试工具复检dns解析速度测试。

其他工具历史

更新时间 2026-10-28 13:01:03

	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