www.blackboard.com 网站分析

www.blackboard.com - 基本信息

服务器:
cloudflare
IP:
未知
城市:
未知

www.blackboard.com - 搜索引擎收录信息

百度:
Bing:
Google:

www.blackboard.com - 页面信息

标题:
Educational Technology Services | Blackboard | North America
Meta 关键词:
Blackboard, digital learning, flexible education solutions, accessible education, connected experience
Meta 描述信息:
Blackboard is a leading global educational technology solution for Higher Ed, K-12, business, and government, connecting education to the power of technology.
H1:
Combining Best-in-Tech Solutions to Power Your Success

www.blackboard.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.blackboard.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.blackboard.com 的 HTTP header 信息:
HTTP/1.1 200 OK
Date: Fri, 20 May 2022 18:52:28 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Cache-Control: max-age=900, public
X-Drupal-Dynamic-Cache: MISS
Link: ; rel="canonical", ; rel="shortlink"
X-UA-Compatible: IE=edge
Content-language: en
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
Permissions-Policy: interest-cohort=()
Expires: Sun, 19 Nov 1978 05:00:00 GMT
Last-Modified: Fri, 20 May 2022 18:40:57 GMT
X-Generator: Drupal 9 (https://www.drupal.org)
Content-Security-Policy: report-uri /report-csp-violation; upgrade-insecure-requests
X-Content-Security-Policy: report-uri /report-csp-violation; upgrade-insecure-requests
X-WebKit-CSP: report-uri /report-csp-violation; upgrade-insecure-requests
X-XSS-Protection: 1; mode=block
Strict-Transport-Security: max-age=1000
X-Request-ID: v-63390e36-d86c-11ec-800d-9392ca4b1e95
X-AH-Environment: prod
X-Geo-Country:
Vary: Cookie,Accept-Encoding,X-Geo-Country
Age: 32
Via: varnish
X-Cache: HIT
X-Cache-Hits: 94
CF-Cache-Status: HIT
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Server: cloudflare
CF-RAY: 70e7450629ae8cba-EWR
Content-Encoding: gzip

www.blackboard.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。blackboard.com 当前共有 13 项 DNS 记录。
主机 类型 IP/目标 TTL 扩充信息
blackboard.comA297
blackboard.comMX298pri: 10
blackboard.comNS297
blackboard.comNS297
blackboard.comNS297
blackboard.comNS297
blackboard.comSOA297expire: 2592000
serial: 2006057448
blackboard.comTXT
google-site-verification=LiG5J9PDvlr1xqP3BJg-uI-N2IL11XsaRSSJzr3bi68
298
blackboard.comTXT
v=spf1 include:_netblocks.blackboard.com include:mh.blackboard.com include:spf.blackboardconnect.com include:_spfinc1.service-now.com include:_netblocks.eloqua.com include:spf.protection.outlook.com -all
298
blackboard.comTXT
google-site-verification=1Bt5wJbRl4edjAQdbU2VKAGKdKS3agKEEqEKGTLrj3c
298
blackboard.comTXT
google-site-verification=QFIKgUdtwHV1jZ46xqdunTBFSUdd89Lm2tcyS8F9GwU
298
blackboard.comTXT
MS=ms62356886
298
blackboard.comTXT
pfXrSz+R3xXW/7frt70I2B9I5Ji3XNr+ndfiptWw0SwRIwJT1lzgMyka1en34swjl1jIwlBlvCnBBnb4zI+5bA==
298