www.caltech.edu 网站分析

www.caltech.edu - 基本信息

服务器:
gunicorn/19.9.0
IP:
未知
城市:
未知

www.caltech.edu - 搜索引擎收录信息

百度:
Bing:
Google:

www.caltech.edu - 页面信息

标题:
Home | www.caltech.edu
Meta 关键词:
未知
Meta 描述信息:
www.caltech.edu home page
H1:
Discover More

www.caltech.edu - 建站技术

服务器:
gunicorn/19.9.0
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.caltech.edu - 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.caltech.edu 的 HTTP header 信息:
HTTP/1.1 200 OK
Date: Fri, 19 Jun 2020 06:57:33 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Server: gunicorn/19.9.0
Content-Security-Policy: form-action 'self' *.wufoo.com docs.google.com www.its.caltech.edu caltech.us5.list-manage.com; frame-ancestors *.caltech.edu; style-src 'self' 'unsafe-inline' cdnjs.cloudflare.com fonts.googleapis.com *.google.com; child-src 'self' www.youtube.com player.vimeo.com www.slideshare.net *.wufoo.com calendar.google.com docs.google.com accounts.google.com; script-src 'self' 'unsafe-inline' 'unsafe-eval' cdnjs.cloudflare.com cdn.mathjax.org stats.g.doubleclick.net www.google-analytics.com www.googletagmanager.com *.google.com *.googleapis.com api.duosecurity.com browser.sentry-cdn.com www.feedrapp.info sentry.io static.addtoany.com *.facebook.net; connect-src 'self' www.google-analytics.com stats.addtoany.com sentry.io; base-uri *.caltech.edu; font-src 'self' public.slidesharecdn.com fonts.gstatic.com; media-src 'self' www.youtube.com player.vimeo.com; default-src 'self'; frame-src 'self' www.youtube.com player.vimeo.com www.ustream.tv www.slideshare.net *.wufoo.com calendar.google.com docs.google.com www.google.com maps.google.com accounts.google.com cse.google.com s3-us-west-2.amazonaws.com form.jotform.com static.addtoany.com *.facebook.com *.facebook.net api-a3b78b57.duosecurity.com cdn.knightlab.com www.buzzsprout.com; img-src 'self' data: web-prod-storage.s3.amazonaws.com s3-us-west-1.amazonaws.com/www-prod-storage.cloud.caltech.edu/ i.ytimg.com www.youtube.com player.vimeo.com ustvstaticcdn1-a.akamaihd.net www.slideshare.net cdn.slidesharecdn.com www.gravatar.com stats.g.doubleclick.net cdnjs.cloudflare.com *.staticflickr.com *.cdninstagram.com www.google-analytics.com *.gstatic.com *.google.com *.googleapis.com www.facebook.com; object-src 'self'; report-uri /_csp
X-Frame-Options: SAMEORIGIN
Vary: Cookie,Accept-Encoding
Set-Cookie: sessionid=hjhybpirfr7pwzcyxarzq1u2vmoflej3; HttpOnly; Path=/
Content-Encoding: gzip

www.caltech.edu - 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。caltech.edu 当前共有 11 项 DNS 记录。
主机 类型 IP/目标 TTL 扩充信息
caltech.eduA43188
caltech.eduMX43189pri: 3
caltech.eduNS43188
caltech.eduNS43188
caltech.eduNS43188
caltech.eduNS43188
caltech.eduNS43188
caltech.eduNS43188
caltech.eduSOA43188expire: 2592000
serial: 2014094678
caltech.eduTXT
JGgpdOOiFJbSZxW5673ANpKRCdMJTwcAnrTFwqcevBTlJB3QftYgd+DfRxK6fY3sHfSs7ZWzYbYWUxU/+3b+xg==
3589
caltech.eduTXT
MS=ms43712753
3589