sapcourse.cn的DNS测速结果_dns解析查询

工具简介

sapcourse.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sapcourse.cn2026-09-18 02:09:11

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%

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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10ms	-172ms	66.767ms
电信	上海电信10ms	四川成都电信97ms	51.6ms
移动	江苏淮安移动27ms	-140ms	65.5ms
联通	-45ms	-172ms	83.2ms
华东	上海电信10ms	安徽亳州联通77ms	45.833ms
华北	-26ms	天津移动96ms	48.8ms
华南	-56ms	海南三亚联通122ms	89ms
华中	湖南长沙移动34ms	河南洛阳移动82ms	51ms
西北	-52ms	新疆博尔塔拉蒙古自治州联通123ms	74.5ms
西南	-53ms	-140ms	94.5ms
东北	辽宁大连电信67ms	-172ms	108ms

解析占比

全部1 电信1 移动1 联通1 被污染0

复制IP

121.40.150.241

121.40.150.241 100%

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	26ms	121.40.150.241[浙江杭州阿里云]	sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 26 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 46 详情详情 HTTP PING DNS
电信河北	41ms	121.40.150.241[浙江杭州阿里云]	sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 41 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 46 详情详情 HTTP PING DNS
电信天津	27ms	121.40.150.241[浙江杭州阿里云]	sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 27 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 420 详情详情 HTTP PING DNS
电信海南	56ms	121.40.150.241[浙江杭州阿里云]	sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 56 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 420 详情详情 HTTP PING DNS
电信湖北宜昌	53ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 53 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Fri Sep 18 02:08:11 CST 2026 ;; MSG SIZE rcvd: 762 详情详情 HTTP PING DNS
电信吉林长春	85ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 85 msec ;; SERVER: 219.149.194.55#53(219.149.194.55) ;; WHEN: Fri Sep 18 02:08:11 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
电信辽宁大连	67ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 67 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Sep 18 02:08:12 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
电信内蒙古包头	54ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 601 IN A 121.40.150.241 ;; Query time: 54 msec ;; SERVER: 114.114.114.114#53(114.114.114.114) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
电信上海	10ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 10 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Fri Sep 18 02:08:10 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
电信四川成都	97ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 97 msec ;; SERVER: 61.139.2.69#53(61.139.2.69) ;; WHEN: Fri Sep 18 02:08:11 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动西藏	140ms	121.40.150.241[浙江杭州阿里云]	sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 140 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 46 详情详情 HTTP PING DNS
移动青海	52ms	121.40.150.241[浙江杭州阿里云]	sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 52 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 57 详情详情 HTTP PING DNS
移动安徽六安	37ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 37 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Sep 18 02:08:10 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动河南洛阳	82ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 82 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Fri Sep 18 02:08:11 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动湖北武汉	39ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 39 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Fri Sep 18 02:08:10 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动湖南长沙	34ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 34 msec ;; SERVER: 211.142.211.124#53(211.142.211.124) ;; WHEN: Fri Sep 18 02:08:11 CST 2026 ;; MSG SIZE rcvd: 69 详情详情 HTTP PING DNS
移动江苏淮安	27ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 27 msec ;; SERVER: 221.131.143.69#53(221.131.143.69) ;; WHEN: Fri Sep 18 02:08:10 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动陕西渭南	60ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 60 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动四川成都	88ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 88 msec ;; SERVER: 183.221.253.100#53(183.221.253.100) ;; WHEN: Fri Sep 18 02:08:11 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
移动天津	96ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 96 msec ;; SERVER: 211.136.17.107#53(211.136.17.107) ;; WHEN: Fri Sep 18 02:08:18 CST 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
联通湖南	45ms	121.40.150.241[浙江杭州阿里云]	sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 45 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 46 详情详情 HTTP PING DNS
联通江西	72ms	121.40.150.241[浙江杭州阿里云]	sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 72 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 46 详情详情 HTTP PING DNS
联通黑龙江	172ms	121.40.150.241[浙江杭州阿里云]	sapcourse.cn. 730 IN A 121.40.150.241 ;; Query time: 172 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 46 详情详情 HTTP PING DNS
联通四川	53ms	121.40.150.241[浙江杭州阿里云]	sapcourse.cn. 1800 IN A 121.40.150.241 ;; Query time: 53 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Thu Sep 17 18:08:31 UTC 2026 ;; MSG SIZE rcvd: 57 详情详情 HTTP PING DNS
联通安徽亳州	77ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 77 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
联通海南三亚	122ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 122 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
联通河南平顶山	53ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 53 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) ;; WHEN: Thu Sep 17 18:08:13 UTC 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
联通山东潍坊	52ms	121.40.150.241[浙江杭州阿里云]	sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 52 msec ;; SERVER: 223.5.5.5#53(223.5.5.5) (UDP) ;; WHEN: Fri Sep 18 02:08:15 CST 2026 ;; MSG SIZE rcvd: 57 详情详情 HTTP PING DNS
联通陕西西安	63ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 63 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Thu Sep 17 18:08:11 UTC 2026 ;; MSG SIZE rcvd: 58 详情详情 HTTP PING DNS
联通新疆博尔塔拉蒙古自治州	123ms	121.40.150.241[浙江杭州阿里云]	; <<>> DiG Go <<>> +noall +answer +stats sapcourse.cn ;; global options: +cmd ;; ANSWER SECTION: sapcourse.cn. 600 IN A 121.40.150.241 ;; Query time: 123 msec ;; SERVER: 119.29.29.29#53(119.29.29.29) ;; WHEN: Fri Sep 18 02:08:11 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。

sapcourse.cn 优化建议

1、使用在线DNS测速工具定期监测解析速度，筛选响应稳定的服务器，优化访问体验。
2、通过DNS污染检测工具排查解析异常，确保域名解析指向正确IP，避免访问受阻。
3、结合DNS解析记录查询功能，分析解析历史数据，及时发现并处理解析波动问题。

其他工具历史

更新时间 2026-09-18 05:15:02

	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