alphahistory.com 网站分析
alphahistory.com - 基本信息
alphahistory.com - 页面信息
标题:
Alpha HistoryMeta 关键词:
未知Meta 描述信息:
Alpha History is a free online textbook and resource centre for history students, providing content and activities for 11 popular history subjects.H1:
Alpha History内部链接:
46 (0 nofollow)外部链接:
12 (6 nofollow)alphahistory.com - 建站技术
服务器:
cloudflare
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alphahistory.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 alphahistory.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Date: Sun, 24 May 2020 19:04:30 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Set-Cookie: __cfduid=dd3bc54b27ac561cb74f60649a3f1a4e71590347070; expires=Tue, 23-Jun-20 19:04:30 GMT; path=/; domain=.alphahistory.com; HttpOnly; SameSite=Lax; Secure
Vary: Accept-Encoding
CF-Cache-Status: DYNAMIC
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Server: cloudflare
CF-RAY: 598948662d7b0cdd-EWR
Content-Encoding: gzip
cf-request-id: 02e9ab93db00000cddd0840200000001
Date: Sun, 24 May 2020 19:04:30 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Set-Cookie: __cfduid=dd3bc54b27ac561cb74f60649a3f1a4e71590347070; expires=Tue, 23-Jun-20 19:04:30 GMT; path=/; domain=.alphahistory.com; HttpOnly; SameSite=Lax; Secure
Vary: Accept-Encoding
CF-Cache-Status: DYNAMIC
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Server: cloudflare
CF-RAY: 598948662d7b0cdd-EWR
Content-Encoding: gzip
cf-request-id: 02e9ab93db00000cddd0840200000001
alphahistory.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。alphahistory.com 当前共有 7 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| alphahistory.com | A | 14400 | ||
| alphahistory.com | MX | 14400 | pri: 0 | |
| alphahistory.com | NS | 86400 | ||
| alphahistory.com | NS | 86400 | ||
| alphahistory.com | NS | 86400 | ||
| alphahistory.com | NS | 86400 | ||
| alphahistory.com | SOA | 86400 | expire: 1209600 serial: 2016041711 |