相关问题
更多相关问题 →duckduckgo.com 是什么网站?
duckduckgo.com 有付费内容吗?
duckduckgo.com 支持哪些语言?
如何访问 duckduckgo.com?
有哪些与 duckduckgo.com 类似的网站?
网站信息概览
综合当前可观察字段,多年域名记录配合专业 DNS 或边缘网络,可能反映出持续的基础设施管理,服务中断和临时变更的概率相对更低。结合现有公开信息推测,从搜索摘要到社交卡片都有明确配置,这通常有助于减少错误截取,并提高用户从结果页判断网站用途的效率。
域名与注册信息
从注册时间看,这个域名已经持续存在约 18 年。域名已开启常见的注册锁定保护。结合现有公开信息推测,注册商为 NameCheap, Inc.,属于常见的主流域名服务商。顶级域为 .com,本身不提供额外的身份信号。
DNS 与邮件配置
检测到 41 秒的低 TTL 配置。从公开技术信号来看,DNS 托管可识别为 NS1。综合当前可观察字段,MX 记录使用 Microsoft 365 企业邮箱服务。域名设置了 CAA,证书签发机构受到 DNS 记录约束。未发现 CNAME,当前记录直接解析到地址。
TLS 与证书
证书包含组织字段 Duck Duck Go, Inc.,具备组织身份信息。综合当前可观察字段,HTTPS 证书来自 DigiCert Inc 商业证书服务。RSA 密钥长度为 2048 位,符合当前常见配置。服务器返回了完整证书链。从当前可见信息判断,当前证书有效周期超过 90 天。
HTTP 响应
未发现 X-Powered-By,后端框架信息未通过该字段公开。HSTS、CSP、点击劫持防护等常用响应头覆盖完整。未在响应头中发现明显的内部地址或调试信息。HTTP Server 字段已隐藏详细版本。Cookie 安全属性未知,当前无法确认具体设置。
技术栈分析
从当前可见信息判断,从页面与响应特征看,站点采用了 Next.js、nginx;未见明确版本信息,这在一定程度上减少了版本定向探测线索。
SEO 与社交分享
首页声明了 Twitter Card 类型。hreflang 配置覆盖 38 个版本。页面标题长度为 22 个字符,处于常用展示范围。页面描述已设置,长度为 35 个字符。Robots 指令未阻止首页索引。
主机和电子邮件
页面、搜索与分享信息
| 页面描述 | 一家让你能够无缝掌控在线个人信息的互联网隐私公司,而无需做出任何取舍。 |
|---|---|
| 规范链接 | https://duckduckgo.com/?kad=zh_CN |
| 语言 | 中文(默认) · 支持多语言 |
| Twitter Card | summary_large_image |
社交分享预览
11 个字段robots.txt (在新窗口打开)
11 条规则所有爬虫 5 条允许 · 5 条禁止
/?*/search.html/email/$/email/privacy-guarantees/email/privacy-terms/lite/html/*?/chrome_newtab/email/
ia_archiver 0 条允许 · 1 条禁止
/
没有符合条件的规则。
Sitemaps
2
域名登记事实 RDAP / WHOIS
| 注册商 | NameCheap, Inc. |
|---|---|
| 注册时间 | 2007-11-11 |
| 到期时间 | 2027-06-23 |
| 域名状态 | client transfer prohibited |
| 名称服务器 | dns1.p05.nsone.net、dns2.p05.nsone.net、dns3.p05.nsone.net、dns4.p05.nsone.net、ns01.quack-dns.com、ns02.quack-dns.com、ns03.quack-dns.com、ns04.quack-dns.com |
| DNSSEC | unsigned |
DNS 记录
| 类型 | 名称 | 值 | TTL | 优先级 |
|---|---|---|---|---|
| A | duckduckgo.com | 52.149.246.39 | 41 | — |
| MX | duckduckgo.com | duckduckgo-com.mail.protection.outlook.com | 3600 | 0 |
| NS | duckduckgo.com | dns1.p05.nsone.net | 79872 | — |
| NS | duckduckgo.com | dns2.p05.nsone.net | 79872 | — |
| NS | duckduckgo.com | dns3.p05.nsone.net | 79872 | — |
| NS | duckduckgo.com | dns4.p05.nsone.net | 79872 | — |
| NS | duckduckgo.com | ns01.quack-dns.com | 79872 | — |
| NS | duckduckgo.com | ns02.quack-dns.com | 79872 | — |
| NS | duckduckgo.com | ns03.quack-dns.com | 79872 | — |
| NS | duckduckgo.com | ns04.quack-dns.com | 79872 | — |
| TXT | duckduckgo.com | MS=ms71454350 | 3600 | — |
| TXT | duckduckgo.com | OSSRH-87525 | 3600 | — |
| TXT | duckduckgo.com | ZOOM_verify_QSjXtfOfRHiY0O9gD5E4Ug | 3600 | — |
| TXT | duckduckgo.com | anthropic-domain-verification-c7d48c=mGBhXlQHsvOc64IFwZsaKKVoQ | 3600 | — |
| TXT | duckduckgo.com | apple-domain-verification=XeKEoqnRNUfkUc5l | 3600 | — |
| TXT | duckduckgo.com | bw=IOlfo6xQJX+xewM7+IiPqOSIPtLXKrWoS2RXCTPMmQZc | 3600 | — |
| TXT | duckduckgo.com | cursor-domain-verification-nxwg1m=QRyFwelq3dM8RzBmvRla2boHy | 3600 | — |
| TXT | duckduckgo.com | mistral-domain-verification=1b914b8749d84fc51987d1cd2b9f86b38617aa4d | 3600 | — |
| TXT | duckduckgo.com | openai-domain-verification=dv-OKbsaUeVbNte6OPtWDpdt4Xr | 3600 | — |
| TXT | duckduckgo.com | slack-domain-verification=oDt8KTPHJdkpcJOZ6J8W8cyJLsEfrJULCQiQ1YbP | 3600 | — |
| TXT | duckduckgo.com | stripe-verification=e508f445dbb94b1ae51f7b48901897714b661f5298da43bb66b224973c8290d4 | 3600 | — |
| TXT | duckduckgo.com | v=spf1 include:mail.duckduckgo.com include:spf.mailer.duckduckgo.com include:spf.protection.outlook.com include:duck.com include:mail.zendesk.com -all | 3600 | — |
| CAA | duckduckgo.com | 0 issue "digicert.com" | 3600 | — |
| CAA | duckduckgo.com | 0 issue "letsencrypt.org" | 3600 | — |
| DMARC | _dmarc.duckduckgo.com | v=DMARC1; p=reject; pct=100; rua=mailto:[email protected] | 3600 | — |
TLS 与证书
| 定性结果 | 配置正常 |
|---|---|
| 支持协议 | TLSv1.2、TLSv1.3 |
| 协商协议 | TLSv1.3 |
| 证书主题 | *.duckduckgo.com |
| 颁发者 | DigiCert Inc |
| 有效期至 | 2026-11-19T23:59 · 记录时剩余 62 天 |
| 验证事实 | 证书信任:通过 · 域名匹配:通过 |
HTTP 响应标头
| 标头 | 值 |
|---|---|
| content-type | text/html; charset=UTF-8 |
| cache-control | no-cache |
| server | nginx |
| strict-transport-security | max-age=31536000 |
| content-security-policy | default-src 'none' ; connect-src https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; manifest-src https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; media-src https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; script-src blob: https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com 'unsafe-inline' 'unsafe-eval' ; font-src data: https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; img-src blob: data: https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; style-src https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com 'unsafe-inline' ; object-src 'none' ; worker-src blob: ; child-src blob: https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; frame-src blob: https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; form-action https://duck.ai https://*.duck.ai https://duckduckgo.com https://*.duckduckgo.com https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/ https://spreadprivacy.com ; frame-ancestors 'self' https://html.duckduckgo.com; base-uri 'self' ; block-all-mixed-content ; |
| x-frame-options | SAMEORIGIN |
| x-content-type-options | nosniff |
| referrer-policy | origin |
| permissions-policy | interest-cohort=() |
| set-cookie | 已脱敏 |
用户评价(0)