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。

搜索引擎收錄信息

百度:
Bing:
Google:

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.

建站技術

服務器:
未知
SSL 安全:
有效
robots.txt:
XML 站點地圖:
Gzip 壓縮:
有效
favicon.ico:

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

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.orgA30
letsencrypt.orgAAAA
2600:1400:a:19f::2a1f
30
letsencrypt.orgAAAA
2600:1400:a:19d::2a1f
30
letsencrypt.orgMX3600pri: 1
letsencrypt.orgMX3600pri: 5
letsencrypt.orgMX3600pri: 5
letsencrypt.orgMX3600pri: 10
letsencrypt.orgMX3600pri: 10
letsencrypt.orgNS36229
letsencrypt.orgNS36229
letsencrypt.orgNS36229
letsencrypt.orgNS36229
letsencrypt.orgNS36229
letsencrypt.orgNS36229
letsencrypt.orgSOA86400expire: 604800
serial: 1479493289
letsencrypt.orgTXT
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