demo.research.gov 网站分析
demo.research.gov - 基本信息
demo.research.gov - 页面信息
标题:
Research.gov - HomepageMeta 关键词:
未知Meta 描述信息:
未知H1:
未知内部链接:
14 (0 nofollow)外部链接:
43 (0 nofollow)demo.research.gov - 建站技术
服务器:
BigIP
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demo.research.gov - 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 demo.research.gov 的 HTTP header 信息:
HTTP/1.1 301 Moved Permanently
Date: Sat, 27 Jun 2020 21:35:42 GMT
Server: BigIP
Strict-Transport-Security: max-age=63072000; includeSubDomains
Location: https://demo.research.gov/research-portal/appmanager/base/desktop?_nfpb=true&_pageLabel=research_home_page
Content-Length: 0
P3P: policyref="http://web.acpt.research.gov/w3c/p3p.xml"
Content-Type: text/plain
Strict-Transport-Security: max-age=31536000; includeSubDomains
HTTP/1.1 200 OK
Date: Sat, 27 Jun 2020 21:35:42 GMT
Server: Apache/2.2.15 (Red Hat) DAV/2
Strict-Transport-Security: max-age=63072000; includeSubDomains
Cache-Control: no-store
Pragma: no-cache
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Set-Cookie: JSESSIONID=s26Qp37TTRCJ1DTbyt06LnMMJv1JsSz1bvhy1N0XRmR7bfYTSb1F!315632098; path=/; HttpOnly
X-Powered-By: Servlet/2.5 JSP/2.1
P3P: policyref="http://web.acpt.research.gov/w3c/p3p.xml"
Content-Type: text/html; charset=UTF-8
Strict-Transport-Security: max-age=31536000; includeSubDomains
Vary: Accept-Encoding
Content-Encoding: gzip
Transfer-Encoding: chunked
Date: Sat, 27 Jun 2020 21:35:42 GMT
Server: BigIP
Strict-Transport-Security: max-age=63072000; includeSubDomains
Location: https://demo.research.gov/research-portal/appmanager/base/desktop?_nfpb=true&_pageLabel=research_home_page
Content-Length: 0
P3P: policyref="http://web.acpt.research.gov/w3c/p3p.xml"
Content-Type: text/plain
Strict-Transport-Security: max-age=31536000; includeSubDomains
HTTP/1.1 200 OK
Date: Sat, 27 Jun 2020 21:35:42 GMT
Server: Apache/2.2.15 (Red Hat) DAV/2
Strict-Transport-Security: max-age=63072000; includeSubDomains
Cache-Control: no-store
Pragma: no-cache
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Set-Cookie: JSESSIONID=s26Qp37TTRCJ1DTbyt06LnMMJv1JsSz1bvhy1N0XRmR7bfYTSb1F!315632098; path=/; HttpOnly
X-Powered-By: Servlet/2.5 JSP/2.1
P3P: policyref="http://web.acpt.research.gov/w3c/p3p.xml"
Content-Type: text/html; charset=UTF-8
Strict-Transport-Security: max-age=31536000; includeSubDomains
Vary: Accept-Encoding
Content-Encoding: gzip
Transfer-Encoding: chunked
demo.research.gov - 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。research.gov 当前共有 7 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| research.gov | A | 300 | ||
| research.gov | AAAA | 2620:10f:6003:7::76 | 600 | |
| research.gov | NS | 3600 | ||
| research.gov | NS | 3600 | ||
| research.gov | NS | 3600 | ||
| research.gov | NS | 3600 | ||
| research.gov | SOA | 3600 | expire: 604800 serial: 2016040108 |