crystaltrainings.com 网站分析
crystaltrainings.com - 基本信息
crystaltrainings.com - 页面信息
标题:
Crystal TrainingsMeta 关键词:
未知Meta 描述信息:
未知H1:
Quality Training & Job Assistance内部链接:
14 (0 nofollow)外部链接:
4 (0 nofollow)crystaltrainings.com - 建站技术
服务器:
Apache
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crystaltrainings.com - 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 crystaltrainings.com 的 HTTP header 信息:
HTTP/1.1 301 Moved Permanently
Date: Wed, 24 Jun 2020 04:23:19 GMT
Server: Apache
Location: https://crystaltrainings.com/
Content-Length: 237
Content-Type: text/html; charset=iso-8859-1
X-Varnish: 629933590
Age: 0
Via: 1.1 varnish (Varnish/6.4)
Connection: keep-alive
HTTP/1.1 200 OK
Date: Wed, 24 Jun 2020 04:23:20 GMT
Server: Apache
Last-Modified: Tue, 16 Jun 2020 18:33:13 GMT
ETag: "174f2-5a837c6a8642e-gzip"
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 11933
Content-Type: text/html
X-Varnish: 263819968
Age: 0
Via: 1.1 varnish (Varnish/6.4)
Accept-Ranges: bytes
Connection: keep-alive
Date: Wed, 24 Jun 2020 04:23:19 GMT
Server: Apache
Location: https://crystaltrainings.com/
Content-Length: 237
Content-Type: text/html; charset=iso-8859-1
X-Varnish: 629933590
Age: 0
Via: 1.1 varnish (Varnish/6.4)
Connection: keep-alive
HTTP/1.1 200 OK
Date: Wed, 24 Jun 2020 04:23:20 GMT
Server: Apache
Last-Modified: Tue, 16 Jun 2020 18:33:13 GMT
ETag: "174f2-5a837c6a8642e-gzip"
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 11933
Content-Type: text/html
X-Varnish: 263819968
Age: 0
Via: 1.1 varnish (Varnish/6.4)
Accept-Ranges: bytes
Connection: keep-alive
crystaltrainings.com - 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。crystaltrainings.com 当前共有 6 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| crystaltrainings.com | A | 600 | ||
| crystaltrainings.com | MX | 3600 | pri: 0 | |
| crystaltrainings.com | NS | 3600 | ||
| crystaltrainings.com | NS | 3600 | ||
| crystaltrainings.com | SOA | 3600 | expire: 604800 serial: 2015101601 | |
| crystaltrainings.com | TXT | v=spf1 a mx ptr include:secureserver.net ~all | 3600 |