LETSENCRYPT.ORG 网站分析
基本信息
网站标题:
服务器:
Netlify
IP:
页面信息
标题:
Let's Encrypt
长度: 13 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:
Let's Encrypt is a free, automated, and open certificate authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our nonprofit work this year in our 2023 Annual Report.
长度: 211 字符; 最佳长度: 50 ~ 160 字符
H1 Tag:
A nonprofit Certificate Authority providing TLS certificates to 363 million websites.
长度: 85 字符
内部链接:
46 (0 nofollow)
外部链接:
95 (1 nofollow)
建站技术
服务器:
Netlify
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 letsencrypt.org 的 HTTP header 信息:
HTTP/1.1 200 OK
Accept-Ranges: bytes
Age: 42205
Cache-Control: public,max-age=0,must-revalidate
Cache-Status: "Netlify Edge"; hit
Content-Encoding: gzip
Content-Length: 6379
Content-Security-Policy: default-src 'none'; font-src 'self'; style-src 'unsafe-inline' 'self'; script-src 'unsafe-eval' 'unsafe-inline' 'self' data: https://www.google-analytics.com https://www.googleadservices.com https://www.googletagmanager.com https://googleads.g.doubleclick.net https://donorbox.org https://js.stripe.com/v3/ https://sdks.shopifycdn.com https://www.paypal.com ; img-src 'self' data: blob: https://www.google-analytics.com https://www.paypal.com https://www.paypalobjects.com https://ak2s.abmr.net https://ak1s.abmr.net https://www.google.com https://cdn.shopify.com https://v.shopify.com ; frame-src https://donorbox.org https://www.youtube.com https://www.youtube-nocookie.com https://bid.g.doubleclick.net https://js.stripe.com/v3/ https://js.stripe.com/v2/ https://www.paypal.com https://outreach.abetterinternet.org ; connect-src 'self' https://d4twhgtvn0ff5.cloudfront.net/ https://letsencrypt-merch.myshopify.com https://monorail-edge.shopifysvc.com https://www.paypal.com ;
Content-Type: text/html; charset=UTF-8
Date: Sat, 18 May 2024 04:22:52 GMT
Etag: "eff6ee011239e2743e61eff599e3116c-ssl-df"
Permissions-Policy: geolocation=(), midi=(), notifications=(), push=(), sync-xhr=(), microphone=(), camera=(), magnetometer=(), gyroscope=(), speaker=(self), vibrate=(), fullscreen=(self), interest-cohort=()
Referrer-Policy: no-referrer
Server: Netlify
Strict-Transport-Security: max-age=31536000
Vary: Accept-Encoding
X-Content-Type-Options: nosniff
X-Frame-Options: DENY
X-Nf-Request-Id: 01HY4Z0E4KM10HJG6ZG6GDA1W8
X-Xss-Protection: 1; mode=block
Accept-Ranges: bytes
Age: 42205
Cache-Control: public,max-age=0,must-revalidate
Cache-Status: "Netlify Edge"; hit
Content-Encoding: gzip
Content-Length: 6379
Content-Security-Policy: default-src 'none'; font-src 'self'; style-src 'unsafe-inline' 'self'; script-src 'unsafe-eval' 'unsafe-inline' 'self' data: https://www.google-analytics.com https://www.googleadservices.com https://www.googletagmanager.com https://googleads.g.doubleclick.net https://donorbox.org https://js.stripe.com/v3/ https://sdks.shopifycdn.com https://www.paypal.com ; img-src 'self' data: blob: https://www.google-analytics.com https://www.paypal.com https://www.paypalobjects.com https://ak2s.abmr.net https://ak1s.abmr.net https://www.google.com https://cdn.shopify.com https://v.shopify.com ; frame-src https://donorbox.org https://www.youtube.com https://www.youtube-nocookie.com https://bid.g.doubleclick.net https://js.stripe.com/v3/ https://js.stripe.com/v2/ https://www.paypal.com https://outreach.abetterinternet.org ; connect-src 'self' https://d4twhgtvn0ff5.cloudfront.net/ https://letsencrypt-merch.myshopify.com https://monorail-edge.shopifysvc.com https://www.paypal.com ;
Content-Type: text/html; charset=UTF-8
Date: Sat, 18 May 2024 04:22:52 GMT
Etag: "eff6ee011239e2743e61eff599e3116c-ssl-df"
Permissions-Policy: geolocation=(), midi=(), notifications=(), push=(), sync-xhr=(), microphone=(), camera=(), magnetometer=(), gyroscope=(), speaker=(self), vibrate=(), fullscreen=(self), interest-cohort=()
Referrer-Policy: no-referrer
Server: Netlify
Strict-Transport-Security: max-age=31536000
Vary: Accept-Encoding
X-Content-Type-Options: nosniff
X-Frame-Options: DENY
X-Nf-Request-Id: 01HY4Z0E4KM10HJG6ZG6GDA1W8
X-Xss-Protection: 1; mode=block
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。letsencrypt.org 当前共有 16 项 DNS 记录。
主机 | 类型 | IP/目标 | TTL | 扩充信息 |
---|---|---|---|---|
letsencrypt.org | A | 27 | ||
letsencrypt.org | A | 27 | ||
letsencrypt.org | NS | 21600 | ||
letsencrypt.org | NS | 21600 | ||
letsencrypt.org | SOA | 1800 | expire: 604800 serial: 2340234518 | |
letsencrypt.org | MX | 1376 | pri: 1 | |
letsencrypt.org | MX | 1376 | pri: 10 | |
letsencrypt.org | MX | 1376 | pri: 10 | |
letsencrypt.org | MX | 1376 | pri: 5 | |
letsencrypt.org | MX | 1376 | pri: 5 | |
letsencrypt.org | TXT | intacct-esk=C2001C6E162DDB5CE0539A220D0AE039 | 300 | |
letsencrypt.org | TXT | pardot1011011=d160caff32c4415bb46bb82d8c50e5bea7ea1a74f5a149cb96bd952467266044 | 300 | |
letsencrypt.org | TXT | sending_domain1011011=f98c68e7636a708a1987c7b9da300d64a354041fa41ea2039fbb02bc18c4ed0f | 300 | |
letsencrypt.org | TXT | v=spf1 include:_spf.google.com ip4:23.178.112.0/24 ip4:66.133.109.36 ip4:64.78.149.164 include:spf.mandrillapp.com include:aspmx.pardot.com include:mail.zendesk.com include:shops.shopify.com include:_spf.intacct.com include:mg-spf.greenhouse.io -all | 300 | |
letsencrypt.org | AAAA | 2600:1f18:2489:8202::c8 | 13 | |
letsencrypt.org | AAAA | 2600:1f18:2489:8201::c8 | 13 |