51email.com.cn的DNS测速结果_dns解析查询

工具简介

51email.com.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51email.com.cn2026-09-28 01:57:06

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
立即登录

概览

区域/运营商	响应最快	响应最慢	平均响应
全部	陕西西安电信18ms	贵州黔南布依族苗族自治州移动1229ms	150.276ms
电信	陕西西安电信18ms	浙江宁波电信440ms	90.083ms
移动	安徽六安移动34ms	贵州黔南布依族苗族自治州移动1229ms	328.714ms
联通	山西长治联通37ms	浙江温州联通246ms	97.6ms
华东	上海电信25ms	浙江宁波电信440ms	116.7ms
华北	山西长治联通37ms	河北唐山电信70ms	51.25ms
华南	-39ms	海南海口联通86ms	60.5ms
华中	湖北宜昌联通51ms	湖北襄阳电信64ms	57.5ms
西北	陕西西安电信18ms	新疆乌鲁木齐电信157ms	109ms
西南	重庆电信34ms	贵州黔南布依族苗族自治州移动1229ms	444ms
东北	吉林长春联通82ms	吉林长春联通82ms	82ms

解析占比

全部1 电信1 移动1 联通1 被污染0

复制IP

103.156.68.51

103.156.68.51 100%

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
电信西藏	61ms	103.156.68.51[上海浦东新区电信]	51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 61 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sun Sep 27 17:56:59 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
电信海南	51ms	103.156.68.51[上海浦东新区电信]	51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 51 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sun Sep 27 17:56:58 UTC 2026 ;; MSG SIZE rcvd: 343 详情详情 HTTP PING DNS
电信安徽合肥	57ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 57 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Sun Sep 27 17:56:58 UTC 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信河北唐山	70ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 70 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信湖北襄阳	64ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 64 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Sun Sep 27 17:56:58 UTC 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信江西宜春	58ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 58 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Sep 28 01:56:57 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信陕西西安	18ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 18 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Sun Sep 27 17:56:58 UTC 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信上海	25ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 25 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 549 详情详情 HTTP PING DNS
电信四川攀枝花	46ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 46 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信新疆乌鲁木齐	157ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 157 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Mon Sep 28 01:56:31 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信浙江宁波	440ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 440 msec ;; SERVER: 61.153.81.75#53(61.153.81.75) ;; WHEN: Mon Sep 28 01:56:59 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
电信重庆	34ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 34 msec ;; SERVER: 61.128.128.68#53(61.128.128.68) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 549 详情详情 HTTP PING DNS
移动海南	39ms	103.156.68.51[上海浦东新区电信]	51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 39 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sun Sep 27 17:56:58 UTC 2026 ;; MSG SIZE rcvd: 343 详情详情 HTTP PING DNS
移动安徽六安	34ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 34 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
移动北京	49ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 49 msec ;; SERVER: 211.136.17.107#53(211.136.17.107) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
移动广西梧州	66ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 66 msec ;; SERVER: 192.168.5.30#53(192.168.5.30) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
移动贵州黔南布依族苗族自治州	1229ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 1229 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Mon Sep 28 01:56:59 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
移动江苏无锡	34ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 34 msec ;; SERVER: 221.131.143.69#53(221.131.143.69) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
移动云南昆明	850ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 850 msec ;; SERVER: 211.139.29.150#53(211.139.29.150) ;; WHEN: Mon Sep 28 01:56:59 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通北京	49ms	103.156.68.51[上海浦东新区电信]	51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 49 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sun Sep 27 17:56:59 UTC 2026 ;; MSG SIZE rcvd: 48 详情详情 HTTP PING DNS
联通福建福州	66ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 66 msec ;; SERVER: 218.104.128.106#53(218.104.128.106) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通海南海口	86ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 86 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通湖北宜昌	51ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 51 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通吉林长春	82ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 82 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通江苏淮安	161ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 161 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Sep 28 01:56:57 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通山西长治	37ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 37 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Sun Sep 27 17:56:58 UTC 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通上海	46ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 46 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通新疆博尔塔拉蒙古自治州	152ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 152 msec ;; SERVER: 119.29.29.29#53(119.29.29.29) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS
联通浙江温州	246ms	103.156.68.51[上海浦东新区电信]	; <<>> DiG Go <<>> +noall +answer +stats 51email.com.cn ;; global options: +cmd ;; ANSWER SECTION: 51email.com.cn. 600 IN A 103.156.68.51 ;; Query time: 246 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Mon Sep 28 01:56:58 CST 2026 ;; MSG SIZE rcvd: 62 详情详情 HTTP PING DNS

查询结果仅供参考，不保证100%准确。

51email.com.cn 优化建议

1、检测显示全部节点返回同一上海浦东新区电信IP，无污染无异常，但最慢响应达1229ms，建议优先使用dns测速在线工具对dns解析速度测试进行周期性监控，结合dns污染检测确认长期稳定性，并针对dns速度在线测试结果优化本地dns查询配置。
2、当前查询时间跨度较大，部分节点响应超过800ms，建议通过在线测试最佳dns替换现有公共dns，并利用dns检测工具对比上海本地电信dns与阿里公共dns的差异化表现，同时参考dns解析查询在线结果优化移动端访问路径。
3、由于所有解析记录均指向同一地址，建议启用智能dns策略实现多线路冗余，并通过dns历史解析记录查询评估节点切换频率，配合dns劫持检测排查中间链路风险，最终依据dns测速数据调整dns服务器查询优先级。

其他工具历史

更新时间 2026-09-29 09:40:02

	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