www.geogebra.org 网站分析
www.geogebra.org - 基本信息
服务器:
nginx/1.10.3 (Ubuntu)
IP:
未知城市:
未知www.geogebra.org - 页面信息
标题:
GeoGebra | Free Math Apps - used by over 100 Million Students & Teachers WorldwideMeta 关键词:
未知Meta 描述信息:
Get our free online math tools for graphing, geometry, 3D, and more!H1:
GeoGebra Math Apps内部链接:
37 (0 nofollow)外部链接:
9 (0 nofollow)www.geogebra.org - 建站技术
服务器:
nginx/1.10.3 (Ubuntu)
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www.geogebra.org - 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.geogebra.org 的 HTTP header 信息:
HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Content-Length: 9925
Connection: keep-alive
Date: Sat, 13 Jun 2020 22:40:54 GMT
Server: nginx/1.10.3 (Ubuntu)
Content-Encoding: gzip
ETag: W/"fd70-xDf/ZiKxARqxr6o/P74xHYzRWgI"
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
X-Content-Type-Options: nosniff
X-Powered-By: Express
X-XSS-Protection: 1; mode=block
X-Varnish: 225484442 242635143
Via: 1.1 varnish (Varnish/6.0), 1.1 a5904c7e5824a04d6bf201cd6310ac2a.cloudfront.net (CloudFront)
Cache-Control: no-store, must-revalidate
X-Cache-Http: Hit from Varnish
Accept-Ranges: bytes
Vary: Cookie,Accept-Language,Accept-Encoding
X-Cache: Miss from cloudfront
X-Amz-Cf-Pop: JFK51-C1
X-Amz-Cf-Id: YazFVSjrFZ69js7SyFpzltIkayl-mDp1gnPwFRCaBy6I_dBspMin1g==
Age: 46944
Content-Type: text/html; charset=utf-8
Content-Length: 9925
Connection: keep-alive
Date: Sat, 13 Jun 2020 22:40:54 GMT
Server: nginx/1.10.3 (Ubuntu)
Content-Encoding: gzip
ETag: W/"fd70-xDf/ZiKxARqxr6o/P74xHYzRWgI"
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
X-Content-Type-Options: nosniff
X-Powered-By: Express
X-XSS-Protection: 1; mode=block
X-Varnish: 225484442 242635143
Via: 1.1 varnish (Varnish/6.0), 1.1 a5904c7e5824a04d6bf201cd6310ac2a.cloudfront.net (CloudFront)
Cache-Control: no-store, must-revalidate
X-Cache-Http: Hit from Varnish
Accept-Ranges: bytes
Vary: Cookie,Accept-Language,Accept-Encoding
X-Cache: Miss from cloudfront
X-Amz-Cf-Pop: JFK51-C1
X-Amz-Cf-Id: YazFVSjrFZ69js7SyFpzltIkayl-mDp1gnPwFRCaBy6I_dBspMin1g==
Age: 46944
www.geogebra.org - 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。geogebra.org 当前共有 11 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| geogebra.org | A | 900 | ||
| geogebra.org | MX | 900 | pri: 30 | |
| geogebra.org | MX | 900 | pri: 10 | |
| geogebra.org | MX | 900 | pri: 30 | |
| geogebra.org | MX | 900 | pri: 20 | |
| geogebra.org | MX | 900 | pri: 20 | |
| geogebra.org | NS | 900 | ||
| geogebra.org | NS | 900 | ||
| geogebra.org | SOA | 900 | expire: 604800 serial: 2016080404 | |
| geogebra.org | TXT | MS=ms75579110 | 900 | |
| geogebra.org | TXT | v=spf1 a ip4:140.78.116.231 ip4:140.78.116.232 ~all | 900 |