USERS.CS.DUKE.EDU 网站分析
The website users.cs.duke.edu has been set up for redirection. The following information displays the SEO statistics for the final destination website, cs.duke.edu.
基本信息
URL:
服务器:
nginx/1.18.0 (Ubuntu)
IP:
页面信息
标题:
Front Page | Department of Computer Science
长度: 43 字符; 最佳长度: 10 ~ 60 字符
Meta 关键词:
未知
长度: 0 字符; 最佳长度: 10 ~ 255 字符
Meta 描述信息:
未知
长度: 0 字符; 最佳长度: 50 ~ 160 字符
H1 Tag:
未知
长度: 0 字符
内部链接:
137 (0 nofollow)
外部链接:
16 (0 nofollow)
建站技术
服务器:
nginx/1.18.0 (Ubuntu)
服务器 nginx 的版本号为 1.18.0。为了服务器安全，我们建议您隐藏服务器软件的版本信息。 更多详情»
SSL 安全:
有效
robots.txt:
不可用
XML 站点地图:
不可用
Gzip 压缩:
有效
favicon.ico:
不可用
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 users.cs.duke.edu 的 HTTP header 信息:
HTTP/1.1 200 OK
Server: nginx/1.18.0 (Ubuntu)
Date: Mon, 27 May 2024 16:28:36 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 20928
Connection: keep-alive
Cache-Control: max-age=86400, public
X-Drupal-Dynamic-Cache: MISS
Content-language: en
X-Frame-Options: SAMEORIGIN
Expires: Sun, 19 Nov 1978 05:00:00 GMT
Last-Modified: Mon, 27 May 2024 08:17:06 GMT
ETag: "1716797826-gzip"
Vary: Cookie,Accept-Encoding
X-Generator: Drupal 10 (https://www.drupal.org)
X-Drupal-Cache: MISS
Content-Encoding: gzip
X-Varnish: 4530223 98674
Age: 29489
Via: 1.1 varnish (Varnish/6.0)
X-Backend-Deliver: tcas_drupal_02_multi2
X-XSS-Protection: 1; mode=block
Strict-Transport-Security: max-age=31536000
X-Content-Type-Options: nosniff
X-Varnish-Cache: HIT
Accept-Ranges: bytes
Server: nginx/1.18.0 (Ubuntu)
Date: Mon, 27 May 2024 16:28:36 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 20928
Connection: keep-alive
Cache-Control: max-age=86400, public
X-Drupal-Dynamic-Cache: MISS
Content-language: en
X-Frame-Options: SAMEORIGIN
Expires: Sun, 19 Nov 1978 05:00:00 GMT
Last-Modified: Mon, 27 May 2024 08:17:06 GMT
ETag: "1716797826-gzip"
Vary: Cookie,Accept-Encoding
X-Generator: Drupal 10 (https://www.drupal.org)
X-Drupal-Cache: MISS
Content-Encoding: gzip
X-Varnish: 4530223 98674
Age: 29489
Via: 1.1 varnish (Varnish/6.0)
X-Backend-Deliver: tcas_drupal_02_multi2
X-XSS-Protection: 1; mode=block
Strict-Transport-Security: max-age=31536000
X-Content-Type-Options: nosniff
X-Varnish-Cache: HIT
Accept-Ranges: bytes
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。duke.edu 当前共有 47 项 DNS 记录。
| 主机 | 类型 | IP/目标 | TTL | 扩充信息 |
|---|---|---|---|---|
| duke.edu | A | 148 | ||
| duke.edu | NS | 15540 | ||
| duke.edu | NS | 15540 | ||
| duke.edu | NS | 15540 | ||
| duke.edu | SOA | 18090 | expire: 1209600 serial: 546017583 | |
| duke.edu | MX | 15565 | pri: 10 | |
| duke.edu | TXT | google-site-verification=Cx538Bo1iba_0Qw1ca-yfo2f0E50HuiB5AzF1oasBOc | 1988 | |
| duke.edu | TXT | iContact1742283 | 1988 | |
| duke.edu | TXT | adobe-sign-verification=8c1cf31e238f6042bd9a6e8424ecd7af | 1988 | |
| duke.edu | TXT | adobe-idp-site-verification=76438831-136f-42eb-8467-627bcd13bec6 | 1988 | |
| duke.edu | TXT | e2ma-verification=yq0fb | 1988 | |
| duke.edu | TXT | iContact1053803 | 1988 | |
| duke.edu | TXT | d365mktkey=DVSS3DGKRQNGACvj4bqW577P8t7hrVqGDWyDQzJFAtwx | 1988 | |
| duke.edu | TXT | 91TR4AEZ87EVJCSEOKTFQJ1KGWHDG7PQ4T52XL7YQ | 1988 | |
| duke.edu | TXT | 88n3v2rofr6e5as8nu1tfnq6mg | 1988 | |
| duke.edu | TXT | google-site-verification=fohuGSMCupMBfLvJ-OqvhaNOUrd4-VJzOA_hUjfM0GQ | 1988 | |
| duke.edu | TXT | e2ma-verification=0dhfb | 1988 | |
| duke.edu | TXT | google-site-verification=VxNOqXRiTfBZEja2TbHMcwM3i0FcGUitTMxTa9CdXAg | 1988 | |
| duke.edu | TXT | atlassian-domain-verification=JNWA1j8qak7X8iJmucR4XqAsQOwMPSakfcNzpTn0Jc7b8aFxXcjK9cJay68Xqn9b | 1988 | |
| duke.edu | TXT | iContact1788229 | 1988 | |
| duke.edu | TXT | e2ma-verification=qqqfb | 1988 | |
| duke.edu | TXT | ciscocidomainverification=2d1dd96a4eb257ed827359fa052171ab2c46910868187a2bc9365f496904b651 | 1988 | |
| duke.edu | TXT | e2ma-verification=jv3cb | 1988 | |
| duke.edu | TXT | iContact1567195 | 1988 | |
| duke.edu | TXT | webexdomainverification.DW7A=3d54276f-7c3e-4b36-82cb-f9283bd66232 | 1988 | |
| duke.edu | TXT | webexdomainverification.DW7B=b34c0222-460e-4621-bb5b-7ce6ee15ead2 | 1988 | |
| duke.edu | TXT | google-site-verification=5TXsU4v41p3-uJbMWepQdYbg8ydDm7pZqZpyL43nBec | 1988 | |
| duke.edu | TXT | e2ma-verification=sqqfb | 1988 | |
| duke.edu | TXT | e2ma-verification=tqqfb | 1988 | |
| duke.edu | TXT | amazonses:kvjwShx2VuYQZKM31gjyJ9z5IWLmFmkF2BSfMHV5j2I= | 1988 | |
| duke.edu | TXT | VqIKTw/sDnE4e+9lXPalJqYaTtomECjG0+6XKvd2Nhfkaw8aAfgvcZjlAshHEjspbTHBtw4hhkk5X1ITTvdWxw== | 1988 | |
| duke.edu | TXT | e2ma-verification=984fb | 1988 | |
| duke.edu | TXT | e2ma-verification=e8qeb | 1988 | |
| duke.edu | TXT | e2ma-verification=spmfb | 1988 | |
| duke.edu | TXT | facebook-domain-verification=z3gz759ai6md22t5oavjekfy06n11r | 1988 | |
| duke.edu | TXT | 1password-site-verification=Y3VALDXXNFEVBGZLI56XBT6MKY | 1988 | |
| duke.edu | TXT | iContact1673295 | 1988 | |
| duke.edu | TXT | iContact1560489 | 1988 | |
| duke.edu | TXT | e2ma-verification=chxfb | 1988 | |
| duke.edu | TXT | e2ma-verification=khq | 1988 | |
| duke.edu | TXT | v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all | 1988 | |
| duke.edu | TXT | e2ma-verification=wc0fb | 1988 | |
| duke.edu | TXT | e2ma-verification=fbqeb | 1988 | |
| duke.edu | TXT | MS=ms29427067 | 1988 | |
| duke.edu | TXT | d365mktkey=9UxytuxfXT7fQ5X2Wqo5UgHrC9MfXzESiUXsydjgVbkx | 1988 | |
| duke.edu | TXT | google-site-verification=VTUhJp3AMqjMfqUIY6tdlBsNKZLr-E_D0oN0Z96EW_E | 1988 | |
| duke.edu | TXT | google-site-verification=WyhytImncSxgmBWxa1o1_nGcNS2LuzeYvzApLAE2qVA | 1988 |