LETSENCRYPT.ORG 網站分析
LETSENCRYPT.ORG 的 SEO 統計數據尚未分析。 我們已啟動該網站的後台分析任務,請稍等幾分鐘。
基本信息
服務器:
未知
IP:
頁面信息
標題:
Let's Encrypt - Free SSL/TLS Certificates
Meta 關鍵詞:
未知
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).
H1 Tag:
A nonprofit Certificate Authority providing TLS certificates to 200 million websites.
內部鏈接:
33 (0 nofollow)
外部鏈接:
94 (1 nofollow)
建站技術
HTTP Head 分析
HTTP 協議採用了請求與響應模型,通過HTTP Header 定義了HTTP 傳輸過程中的必要參數。瀏覽器(例如Internet Explorer, Google Chrome, Firefox 等)並不會顯示HTTP header 字段的內容,下面是網站letsencrypt.org 的HTTP header 信息:
HTTP/1.1 200 OK
Cache-Control: public, max-age=0, must-revalidate
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 ; 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/ ; connect-src 'self' https://d4twhgtvn0ff5.cloudfront.net/ https://letsencrypt-merch.myshopify.com ;
Content-Type: text/html; charset=UTF-8
Date: Thu, 18 Jun 2020 00:55:53 GMT
Etag: "f11eddec6b26b7726af3f18d5b6a79f7-ssl-df"
Feature-Policy: geolocation none; midi none; notifications none; push none; sync-xhr none; microphone none; camera none; magnetometer none; gyroscope none; speaker self; vibrate none; fullscreen self;
Referrer-Policy: no-referrer
Strict-Transport-Security: max-age=31536000
X-Content-Type-Options: nosniff
X-Frame-Options: DENY
X-Xss-Protection: 1; mode=block
Content-Encoding: gzip
Content-Length: 5530
Age: 63350
Connection: keep-alive
Server: Netlify
Vary: Accept-Encoding
X-NF-Request-ID: e26dbd32-e828-400b-9f69-535b738e90ed-2702468
Cache-Control: public, max-age=0, must-revalidate
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 ; 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/ ; connect-src 'self' https://d4twhgtvn0ff5.cloudfront.net/ https://letsencrypt-merch.myshopify.com ;
Content-Type: text/html; charset=UTF-8
Date: Thu, 18 Jun 2020 00:55:53 GMT
Etag: "f11eddec6b26b7726af3f18d5b6a79f7-ssl-df"
Feature-Policy: geolocation none; midi none; notifications none; push none; sync-xhr none; microphone none; camera none; magnetometer none; gyroscope none; speaker self; vibrate none; fullscreen self;
Referrer-Policy: no-referrer
Strict-Transport-Security: max-age=31536000
X-Content-Type-Options: nosniff
X-Frame-Options: DENY
X-Xss-Protection: 1; mode=block
Content-Encoding: gzip
Content-Length: 5530
Age: 63350
Connection: keep-alive
Server: Netlify
Vary: Accept-Encoding
X-NF-Request-ID: e26dbd32-e828-400b-9f69-535b738e90ed-2702468
DNS 記錄分析
DNS 域名系統(Domain Name System,縮寫)是Internet 的一項基礎服務。它作為將域名和 IP 位址相互映射的一個分佈式數據庫,能夠使人更方便的訪問互聯網。 letsencrypt.org 當前共有 16 項 DNS 記錄。
主機 | 類型 | IP/目標 | TTL | 擴充資訊 |
---|---|---|---|---|
letsencrypt.org | A | 30 | ||
letsencrypt.org | AAAA | 2600:1400:a:19f::2a1f | 30 | |
letsencrypt.org | AAAA | 2600:1400:a:19d::2a1f | 30 | |
letsencrypt.org | MX | 3600 | pri: 1 | |
letsencrypt.org | MX | 3600 | pri: 5 | |
letsencrypt.org | MX | 3600 | pri: 5 | |
letsencrypt.org | MX | 3600 | pri: 10 | |
letsencrypt.org | MX | 3600 | pri: 10 | |
letsencrypt.org | NS | 36229 | ||
letsencrypt.org | NS | 36229 | ||
letsencrypt.org | NS | 36229 | ||
letsencrypt.org | NS | 36229 | ||
letsencrypt.org | NS | 36229 | ||
letsencrypt.org | NS | 36229 | ||
letsencrypt.org | SOA | 86400 | expire: 604800 serial: 1479493289 | |
letsencrypt.org | TXT | v=spf1 include:_spf.google.com include:_hostedspf.discourse.org ip4:66.133.109.36 ip4:64.78.149.164 include:spf.mandrillapp.com -all | 1800 |