检测节点
| 区域/运营商 | 响应最快 | 响应最慢 | 平均响应 |
|---|---|---|---|
| 全部 | 江苏盐城电信0.244s | 江苏联通10s | 1.106s |
| 电信 | 江苏盐城电信0.244s | -2.757s | 0.792s |
| 移动 | 河北唐山移动0.374s | 北京移动1.743s | 0.701s |
| 联通 | -0.669s | 江苏联通10s | 2.222s |
| 华东 | 江苏盐城电信0.244s | 江苏联通10s | 2.043s |
| 华北 | 河北唐山移动0.374s | 北京移动1.743s | 0.862s |
| 华南 | -0.438s | -2.757s | 1.217s |
| 华中 | -0.581s | 湖北荆州联通1.599s | 1.016s |
| 西北 | -0.631s | 陕西西安电信0.845s | 0.731s |
| 西南 | -0.55s | -0.943s | 0.778s |
| 东北 | 辽宁大连移动0.553s | -0.753s | 0.636s |
|
检测点
运营商
检测节点
|
解析IP |
状态 |
总时间 |
解析时间 |
连接时间 |
操作 |
|---|---|---|---|---|---|---|
|
电信
安徽
|
47.103.48.100 （上海阿里云） | 200 | 0.33s | 0.04s | 0.018s |
下载时间：0.087s 下载大小：2.04KB 下载速度：23.448KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:09 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
电信
贵州
|
47.103.48.100 （上海阿里云） | 200 | 0.706s | 0.051s | 0.046s |
下载时间：0.158s 下载大小：2.04KB 下载速度：12.911KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:11 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:11 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
电信
重庆
|
47.103.48.100 （上海阿里云） | 200 | 0.55s | 0.078s | 0.044s |
下载时间：0.166s 下载大小：2.04KB 下载速度：12.289KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:28 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:29 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
电信
吉林
|
47.103.48.100 （上海阿里云） | 200 | 0.603s | 0.093s | 0.049s |
下载时间：0.197s 下载大小：2.04KB 下载速度：10.355KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:11 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:12 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
电信
海南
|
47.103.48.100 （上海阿里云） | 200 | 2.757s | 0.532s | 0.486s |
下载时间：0.895s 下载大小：2.04KB 下载速度：2.279KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:12 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
电信
广东
|
47.103.48.100 （上海阿里云） | 200 | 0.438s | 0.047s | 0.036s |
下载时间：0.122s 下载大小：2.04KB 下载速度：16.721KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:09 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
电信
宁夏
|
47.103.48.100 （上海阿里云） | 200 | 0.631s | 0.087s | 0.04s |
下载时间：0.213s 下载大小：2.04KB 下载速度：9.577KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:11 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:12 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
电信
北京
|
47.103.48.100 （上海阿里云） | 200 | 1.394s | 1.193s | 0.062s |
下载时间：0s 下载大小：2.04KB 下载速度：0KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:09 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:09 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
电信
广西南宁
|
47.103.48.100 （上海阿里云） | 200 | 0.456s | 0.128s | 0.081s |
下载时间：0.009s 下载大小：2.04KB 下载速度：226.667KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:08 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:09 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
电信
江苏盐城
|
47.103.48.100 （上海阿里云） | 200 | 0.244s | 0.109s | 0.031s |
下载时间：0.002s 下载大小：2.04KB 下载速度：1020KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:08 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:08 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
电信
山西吕梁
|
47.103.48.100 （上海阿里云） | 200 | 0.547s | 0.301s | 0.071s |
下载时间：0s 下载大小：2.04KB 下载速度：0KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:08 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:09 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
电信
陕西西安
|
47.103.48.100 （上海阿里云） | 200 | 0.845s | 0.554s | 0.095s |
下载时间：0s 下载大小：2.04KB 下载速度：0KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:08 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:09 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
移动
山西
|
47.103.48.100 （上海阿里云） | 200 | 0.56s | 0.091s | 0.041s |
下载时间：0.179s 下载大小：2.04KB 下载速度：11.397KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:09 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
移动
河南
|
47.103.48.100 （上海阿里云） | 200 | 0.581s | 0.125s | 0.036s |
下载时间：0.191s 下载大小：2.04KB 下载速度：10.681KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:09 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
移动
青海
|
47.103.48.100 （上海阿里云） | 200 | 0.692s | 0.122s | 0.045s |
下载时间：0.255s 下载大小：2.04KB 下载速度：8KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:15 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:15 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
移动
西藏
|
47.103.48.100 （上海阿里云） | 200 | 0.943s | 0.112s | 0.088s |
下载时间：0.345s 下载大小：2.04KB 下载速度：5.913KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:26 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:26 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
移动
天津
|
47.103.48.100 （上海阿里云） | 200 | 0.552s | 0.028s | 0.032s |
下载时间：0.185s 下载大小：2.04KB 下载速度：11.027KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:11 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:11 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
移动
上海
|
47.103.48.100 （上海阿里云） | 200 | 0.591s | 0.258s | 0.011s |
下载时间：0.116s 下载大小：2.04KB 下载速度：17.586KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:09 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
移动
北京
|
47.103.48.100 （上海阿里云） | 200 | 1.743s | 1.535s | 0.062s |
下载时间：0s 下载大小：2.04KB 下载速度：0KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:09 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
移动
河北唐山
|
47.103.48.100 （上海阿里云） | 200 | 0.374s | 0.141s | 0.075s |
下载时间：0.001s 下载大小：2.04KB 下载速度：2040KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:08 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:08 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
移动
辽宁大连
|
47.103.48.100 （上海阿里云） | 200 | 0.553s | 0.247s | 0.092s |
下载时间：0s 下载大小：2.04KB 下载速度：0KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:08 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:08 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
移动
内蒙古包头
|
解析失败
解析失败：通常发生在网络请求中，设备无法通过DNS解析目标服务器的IP地。
|
0 | *s | *s | *s |
下载时间：*s 下载大小：*KB 下载速度：*KB/s HEAD：
|
|
移动
山东青岛
|
47.103.48.100 （上海阿里云） | 200 | 0.425s | 0.206s | 0.061s |
下载时间：0.001s 下载大小：2.04KB 下载速度：2040KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:08 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:08 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
联通
辽宁
|
47.103.48.100 （上海阿里云） | 200 | 0.753s | 0.049s | 0.05s |
下载时间：0.375s 下载大小：2.04KB 下载速度：5.44KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
联通
甘肃
|
47.103.48.100 （上海阿里云） | 200 | 0.754s | 0.063s | 0.053s |
下载时间：0.345s 下载大小：2.04KB 下载速度：5.913KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:12 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:13 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
联通
上海
|
47.103.48.100 （上海阿里云） | 200 | 0.669s | 0.267s | 0.014s |
下载时间：0.234s 下载大小：2.04KB 下载速度：8.718KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:09 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
联通
四川
|
47.103.48.100 （上海阿里云） | 200 | 0.912s | 0.257s | 0.041s |
下载时间：0.361s 下载大小：2.04KB 下载速度：5.651KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
联通
湖南
|
47.103.48.100 （上海阿里云） | 200 | 0.868s | 0.255s | 0.036s |
下载时间：0.339s 下载大小：2.04KB 下载速度：6.018KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
联通
湖北荆州
|
47.103.48.100 （上海阿里云） | 200 | 1.599s | 1.42s | 0.055s |
下载时间：0s 下载大小：2.04KB 下载速度：0KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:08 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ HTTP/1.1 200 OK Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:10 GMT Content-Type: text/html Transfer-Encoding: chunked Connection: keep-alive Vary: Accept-Encoding Last-Modified: Thu, 13 Jul 2023 08:45:19 GMT ETag: W/"64afb99f-1fc4" Content-Encoding: gzip |
|
联通
江苏
|
47.103.48.100 （上海阿里云） | 301 | 10s | 9.715s | 0.216s |
下载时间：0.014s 下载大小：0KB 下载速度：0KB/s HEAD：
HTTP/1.1 301 Moved Permanently Server: apache/2.4.39 Date: Fri, 21 Aug 2026 16:44:18 GMT Content-Type: text/html Content-Length: 170 Connection: keep-alive Location: https://www.dfedu.net/ |
查询结果仅供参考，不保证100%准确。
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