dns.com
DNS.COM-DNS解析-域名注册-SSL证书-服务器租用-DNS污染处理
Last scanned Jul 29, 2026, 3:00 PM · 11 views
Overall score
Fair
Summary
DNS.COM是全球化网络基础设施服务商，提供专业DNS解析、域名注册、SSL证书、服务器租用服务，更有高效DNS污染处理解决方案，全方位防护域名解析安全，服务稳定可靠… This website uses Nginx. SEO is fair (65/100) and accessibility is fair (70/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
DNS.COM是全球化网络基础设施服务商，提供专业DNS解析、域名注册、SSL证书、服务器租用服务，更有高效DNS污染处理解决方案，全方位防护域名解析安全，服务稳定可靠、技术专业，一站式满足企业与个人的网络搭建及安全防护需求。
Top issues to fix
12 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
+6 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
303 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+5 overall since Jul 21, 2026
- Overall
- 75
- SEO
- 65
- Security
- 65
- Performance
- 100
- Accessibility
- 70
Organization
Company details published in this site's own structured data.
DNS.COM是全球化网络基础设施服务商，提供专业DNS解析、域名注册、SSL证书、服务器租用服务，更有高效DNS污染处理解决方案，全方位防护域名解析安全，服务稳定可靠、技术专业，一站式满足企业与个人的网络搭建及安全防护需求。
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- DNS.COM-DNS解析-域名注册-SSL证书-服务器租用-DNS污染处理
- Description
- DNS.COM是全球化网络基础设施服务商，提供专业DNS解析、域名注册、SSL证书、服务器租用服务，更有高效DNS污染处理解决方案，全方位防护域名解析安全，服务稳定可靠、技术专业，一站式满足企业与个人的网络搭建及安全防护需求。
- Canonical
- https://www.dns.com/zh
- Language
- zh-CN
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Asseco Data Systems S.A.
- Subject
- *.dns.com
- Valid from
- Feb 11, 2026
- Valid to
- Mar 13, 2027
- Days until expiry
- 226
- SAN domains
- *.dns.com, dns.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 4 · H3 0
Links
47 internal · 4 external · 20 broken
Images
57 total · 32 missing alt
Scripts / Styles
21 scripts · 7 stylesheets
JS / CSS size
10.4 KB · 0 B
Page size
71.4 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
Scan details
- Requested URL
- https://dns.com
- Final URL
- https://www.dns.com/zh
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 302 ms
- HTML size
- 71.4 KB
- Redirect chain
- https://dns.com → https://www.dns.com/ → https://www.dns.com/zh
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does dns.com use?
- dns.com is built with jQuery, Google Analytics, Nginx.
- Is dns.com secure (HTTPS)?
- Yes. dns.com uses TLS 1.3 with a certificate issued by Asseco Data Systems S.A., valid until Mar 13, 2027.
- Who hosts dns.com?
- Hosting provider information for dns.com is not available yet.
- What is dns.com's SEO score?
- dns.com scored 65/100 for SEO in the latest analysis (fair).
- What is dns.com's overall website score?
- dns.com has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.
- Has dns.com's score changed over time?
- dns.com's overall score has improved by 5 points (from 70 to 75) since Jul 21, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card