challenge.gov 网站分析

challenge.gov - 基本信息

网站标题:
服务器:
Apache
IP:
未知
城市:
未知

challenge.gov - 搜索引擎收录信息

百度:
Bing:
Google:

challenge.gov - 页面信息

标题:
Challenge.gov
Meta 关键词:
IdeaScale,Challenge
Meta 描述信息:
Here, members of the public compete to help the U.S. government solve problems big and small. Browse through challenges and submit your ideas for a chance to win.
H1:
Welcome to Challenge

challenge.gov - 建站技术

服务器:
Apache
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

challenge.gov - 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 challenge.gov 的 HTTP header 信息:
HTTP/1.1 301 Moved Permanently
Date: Sat, 18 Jul 2020 12:31:33 GMT
Server: Apache
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=31536000
Location: https://www.challenge.gov
Content-Length: 233
Content-Type: text/html; charset=iso-8859-1

HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Content-Length: 8649
Connection: keep-alive
Date: Sat, 18 Jul 2020 12:31:34 GMT
Cache-Control: max-age=60
Content-Encoding: gzip
ETag: "e7ab6e0051529f890fe0bd6f9b3d0c4b"
Last-Modified: Tue, 14 Jul 2020 11:20:39 GMT
Strict-Transport-Security: max-age=31536000; preload
X-Server: Federalist
X-Vcap-Request-Id: efbea8e0-d1d5-491c-6391-0b03e34dea3c
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Vary: Accept-Encoding
X-Cache: Miss from cloudfront
Via: 1.1 4e3df844337032b56b8434990b0f76ca.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: EWR53-C2
X-Amz-Cf-Id: RmR61NYjor25GzzNXOYHJOOVnEZJ4pD--pYsxHRYU2nL_7BlOq_CJg==

challenge.gov - 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。challenge.gov 当前共有 19 项 DNS 记录。
主机 类型 IP/目标 TTL 扩充信息
challenge.govA300
challenge.govA300
challenge.govAAAA
2607:f020:2004:1913::50
300
challenge.govAAAA
2607:f020:4:1913::50
300
challenge.govMX3600pri: 30
challenge.govMX3600pri: 10
challenge.govMX3600pri: 30
challenge.govMX3600pri: 20
challenge.govMX3600pri: 30
challenge.govMX3600pri: 20
challenge.govMX3600pri: 30
challenge.govNS3600
challenge.govNS3600
challenge.govNS3600
challenge.govNS3600
challenge.govNS3600
challenge.govSOA3600expire: 1209600
serial: 476948764
challenge.govTXT
v=spf1 a mx include:spf.mtasv.net ~all
3600
challenge.govTXT
google-site-verification:sB3sohaFiiK3JjnaMXyAUanIgZMTc4MwrIRGSQ2Ev-4
3600