www.coursehero.com 网站分析

www.coursehero.com - 基本信息

服务器:
cloudflare
IP:
未知
城市:
未知

www.coursehero.com - 搜索引擎收录信息

百度:
Bing:
Google:

www.coursehero.com - 页面信息

标题:
Master Your Classes™ | Course Hero
Meta 关键词:
未知
Meta 描述信息:
Instant access to millions of Study Resources, Course Notes, Test Prep, 24/7 Homework Help, Tutors, and more. Learn, teach, and study with Course Hero. Master Your Classes™
H1:
Master Your Classes™

www.coursehero.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

www.coursehero.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 www.coursehero.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Date: Thu, 11 Jun 2020 01:46:53 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
Set-Cookie: __cfduid=de18cf62f88d8a7f39cc1f5b25851a3c21591840013; expires=Sat, 11-Jul-20 01:46:53 GMT; path=/; domain=.coursehero.com; HttpOnly; SameSite=Lax
Cache-Control: no-cache
X-Iinfo: 14-35441080-0 0NNN RT(1591839285582 727556) q(0 -1 -1 0) r(0 -1) B12(11,23242,0) U5
Set-Cookie: visid_incap_987752=vfd5ynTTThmF3AgLGWsRBA2N4V4AAAAAQUIPAAAAAACeY8aRWly503cJvJE/tF3N; expires=Thu, 10 Jun 2021 15:00:47 GMT; HttpOnly; path=/; Domain=.coursehero.com
Set-Cookie: incap_ses_139_987752=lHPYfere3y/wmZ0jyNPtAQ2N4V4AAAAA+0YF8HSvPhsGUtN9B8kFnw==; path=/; Domain=.coursehero.com
CF-Cache-Status: DYNAMIC
cf-request-id: 0342a8161700000cf18c27f200000001
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Server: cloudflare
CF-RAY: 5a17a9368aaa0cf1-EWR
Content-Encoding: gzip

www.coursehero.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。coursehero.com 当前共有 15 项 DNS 记录。
主机 类型 IP/目标 TTL 扩充信息
coursehero.comA300
coursehero.comMX86400pri: 10
coursehero.comMX86400pri: 5
coursehero.comMX86400pri: 5
coursehero.comMX86400pri: 1
coursehero.comMX86400pri: 15
coursehero.comMX86400pri: 10
coursehero.comNS300
coursehero.comNS300
coursehero.comNS300
coursehero.comNS300
coursehero.comNS300
coursehero.comNS300
coursehero.comSOA300expire: 604800
serial: 1471638616
coursehero.comTXT
v=spf1 a mx ptr ip4:72.32.142.225 ip4:98.129.60.247 ip4:98.129.60.252 ip4:98.129.60.240 ip4:98.129.60.245 ip4:174.143.161.144 ip4:174.143.161.145 ip4:72.32.45.55 ip4:174.143.161.134 ip4:72.32.142.226 ip4:98.129.60.250 ip4:174.143.218.183 ip4:174.143.218.184 ip4:174.143.218.185 ip4:98.129.60.246 ip4:174.143.218.190 ip4:174.143.161.129 ip4:174.143.161.130 ip4:174.143.161.131 ip4:174.143.161.138 ip4:98.129.60.245 ip4:174.143.161.144 ip4:174.143.161.145 ip4:72.32.45.55 ip4:174.143.161.134 ip4:174.143.161.136 ip4:174.143.161.154 ip4:174.143.161.156 ip4:174.143.161.155 ip4:98.129.60.251 ip4:174.143.161.153 ip4:98.129.60.254 include:_spf.google.com include:aspmx.googlemail.com include:support.zendesk.com include:smtp.zendesk.com include:mail.zendesk.com include:mailgun.org ~all
86400