upenn.edu 网站分析
upenn.edu - 基本信息
upenn.edu - 页面信息
标题:
University of Pennsylvania |Meta 关键词:
未知Meta 描述信息:
未知H1:
University of Pennsylvania内部链接:
43 (0 nofollow)外部链接:
49 (0 nofollow)upenn.edu - 建站技术
服务器:
Varnish
SSL 安全:
不可用robots.txt:
不可用XML 站点地图:
不可用Gzip 压缩:
有效favicon.ico:
不可用upenn.edu - HTTP Head 分析
HTTP 协议采用了请求与响应模型，通过 HTTP Header 定义了 HTTP 传输过程中的必要参数。 浏览器（例如 Internet Explorer, Google Chrome, Firefox 等）并不会显示 HTTP header 字段的内容，下面是网站 upenn.edu 的 HTTP header 信息:
HTTP/1.1 301 Moved Permanently
Connection: close
Content-Length: 0
Server: Varnish
Retry-After: 0
location: https://www.upenn.edu/
Accept-Ranges: bytes
Date: Fri, 26 Jun 2020 13:52:00 GMT
Via: 1.1 varnish
X-Served-By: cache-lga21925-LGA
X-Cache: HIT
X-Cache-Hits: 0
X-Timer: S1593179520.330276,VS0,VE0
Strict-Transport-Security: max-age=300
HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 16373
Cache-Control: public, max-age=900
Content-Encoding: gzip
Content-Language: en
Content-Type: text/html; charset=utf-8
Etag: W/"1593171804-0"
Expires: Sun, 19 Nov 1978 05:00:00 GMT
Last-Modified: Fri, 26 Jun 2020 11:43:24 GMT
Link: <https://www.upenn.edu/>; rel="canonical",<https://www.upenn.edu/>; rel="shortlink"
Server: nginx
Strict-Transport-Security: max-age=300
X-Drupal-Cache: HIT
X-Frame-Options: SAMEORIGIN
X-Generator: Drupal 7 (https://www.drupal.org)
X-Pantheon-Styx-Hostname: styx-fe1-a-789d66bff9-qd5vg
X-Styx-Req-Id: 7bf6ecaf-b7af-11ea-a70f-2a312cb6f63c
X-Ua-Compatible: IE=Edge,chrome=1
Age: 227
Accept-Ranges: bytes
Via: 1.1 varnish
Accept-Ranges: bytes
Accept-Ranges: bytes
Date: Fri, 26 Jun 2020 13:52:00 GMT
Via: 1.1 varnish
Age: 227
X-Served-By: cache-mdw17367-MDW, cache-lga21945-LGA, cache-lga21938-LGA
X-Cache: HIT, HIT, MISS
X-Cache-Hits: 1, 12, 0
X-Timer: S1593179520.390469,VS0,VE2
Vary: Accept-Encoding, Cookie, Cookie, Cookie
Connection: close
Content-Length: 0
Server: Varnish
Retry-After: 0
location: https://www.upenn.edu/
Accept-Ranges: bytes
Date: Fri, 26 Jun 2020 13:52:00 GMT
Via: 1.1 varnish
X-Served-By: cache-lga21925-LGA
X-Cache: HIT
X-Cache-Hits: 0
X-Timer: S1593179520.330276,VS0,VE0
Strict-Transport-Security: max-age=300
HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 16373
Cache-Control: public, max-age=900
Content-Encoding: gzip
Content-Language: en
Content-Type: text/html; charset=utf-8
Etag: W/"1593171804-0"
Expires: Sun, 19 Nov 1978 05:00:00 GMT
Last-Modified: Fri, 26 Jun 2020 11:43:24 GMT
Link: <https://www.upenn.edu/>; rel="canonical",<https://www.upenn.edu/>; rel="shortlink"
Server: nginx
Strict-Transport-Security: max-age=300
X-Drupal-Cache: HIT
X-Frame-Options: SAMEORIGIN
X-Generator: Drupal 7 (https://www.drupal.org)
X-Pantheon-Styx-Hostname: styx-fe1-a-789d66bff9-qd5vg
X-Styx-Req-Id: 7bf6ecaf-b7af-11ea-a70f-2a312cb6f63c
X-Ua-Compatible: IE=Edge,chrome=1
Age: 227
Accept-Ranges: bytes
Via: 1.1 varnish
Accept-Ranges: bytes
Accept-Ranges: bytes
Date: Fri, 26 Jun 2020 13:52:00 GMT
Via: 1.1 varnish
Age: 227
X-Served-By: cache-mdw17367-MDW, cache-lga21945-LGA, cache-lga21938-LGA
X-Cache: HIT, HIT, MISS
X-Cache-Hits: 1, 12, 0
X-Timer: S1593179520.390469,VS0,VE2
Vary: Accept-Encoding, Cookie, Cookie, Cookie
upenn.edu - DNS 记录分析
DNS 域名系统（Domain Name System，缩写）是 Internet 的一项基础服务。它作为将域名和IP地址相互映射的一个分布式数据库，能够使人更方便地访问互联网。upenn.edu 当前共有 14 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| upenn.edu | MX | 900 | pri: 20 | |
| upenn.edu | MX | 900 | pri: 10 | |
| upenn.edu | NS | 31024 | ||
| upenn.edu | NS | 31024 | ||
| upenn.edu | NS | 31024 | ||
| upenn.edu | NS | 31024 | ||
| upenn.edu | NS | 31024 | ||
| upenn.edu | NS | 31024 | ||
| upenn.edu | SOA | 3600 | expire: 604800 serial: 1005455677 | |
| upenn.edu | TXT | MS=ms96102685 | 3600 | |
| upenn.edu | TXT | MS=ms80804534 | 3600 | |
| upenn.edu | TXT | MS=F666E1C25BC01ABB0FCB5EBE2B53B41D92CD2BDC1 | 3600 | |
| upenn.edu | TXT | v=spf1 include:spf.protection.outlook.com ~all | 3600 | |
| upenn.edu | TXT | google-site-verification=eclxnwaSRYkCjae5f-VvSBmzNECZ2XC6RaizjvQYqdI | 3600 |