WWW.UNIVERSALCLASS.COM 网站分析
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基本信息
页面信息
标题:
Universal Class: Online Courses and Continuing Education
Meta 关键词:
online courses, online classes, video training, video tutorial, continuing education, lifelong learning, CEU, certificate, adult education, career training, online training, online instruction, online learning, universal class, universalclass, e-learning, social
Meta 描述信息:
Universal Class is the place to continue your education online and fulfill all your lifelong learning goals.
H1 Tag:
Learn Anything · Learn Anytime · Learn Anywhere
内部链接:
67 (0 nofollow)
外部链接:
8 (0 nofollow)
建站技术
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 www.universalclass.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Cache-Control: private
Content-Type: text/html
Content-Encoding: gzip
Vary: Accept-Encoding
Server: Microsoft-IIS/10.0
Set-Cookie: qc=1; domain=universalclass.com; path=/
Set-Cookie: mt=0; domain=universalclass.com; path=/
UCW30: 5.0
Strict-Transport-Security: max-age=31536000
X-Frame-Options: SAMEORIGIN
Date: Mon, 08 Jun 2020 18:54:29 GMT
Content-Length: 11596
Cache-Control: private
Content-Type: text/html
Content-Encoding: gzip
Vary: Accept-Encoding
Server: Microsoft-IIS/10.0
Set-Cookie: qc=1; domain=universalclass.com; path=/
Set-Cookie: mt=0; domain=universalclass.com; path=/
UCW30: 5.0
Strict-Transport-Security: max-age=31536000
X-Frame-Options: SAMEORIGIN
Date: Mon, 08 Jun 2020 18:54:29 GMT
Content-Length: 11596
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。universalclass.com 当前共有 7 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| universalclass.com | A | 3600 | ||
| universalclass.com | MX | 3600 | pri: 1 | |
| universalclass.com | NS | 3600 | ||
| universalclass.com | NS | 3600 | ||
| universalclass.com | NS | 3600 | ||
| universalclass.com | SOA | 3600 | expire: 86400 serial: 404 | |
| universalclass.com | TXT | v=spf1 ip4:64.147.97.221 a mx -all | 3600 |