zonedns.vn
ZONEDNS
Last scanned Aug 3, 2026, 4:00 AM · 10 views
Overall score
Fair
Summary
This website uses Apache. SEO is fair (60/100) and accessibility is good (85/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing meta description.
Top issues to fix
14 issues found · 4 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.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
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.
+8 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
158 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Score history
-2 overall since Jul 26, 2026
- Overall
- 76
- SEO
- 60
- Security
- 65
- Performance
- 100
- Accessibility
- 85
Meta tags
- Title
- ZONEDNS
- Description
- Canonical
- Language
- Charset
- utf-8
- Viewport
- Robots meta
- index,follow
- 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
- Sectigo Limited
- Subject
- zonedns.vn
- Valid from
- Nov 30, 2025
- Valid to
- Dec 17, 2026
- Days until expiry
- 136
- SAN domains
- zonedns.vn, www.zonedns.vn
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 2 · H3 1
Links
3 internal · 19 external · 20 broken
Images
5 total · 1 missing alt
Scripts / Styles
18 scripts · 7 stylesheets
JS / CSS size
4.2 KB · 4.0 KB
Page size
20.9 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Missing <html lang> attribute
- Missing viewport meta tag
Scan details
- Requested URL
- https://zonedns.vn
- Final URL
- https://zonedns.vn
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 158 ms
- HTML size
- 20.9 KB
- Redirect chain
- https://zonedns.vn
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does zonedns.vn use?
- zonedns.vn is built with PHP, jQuery, Google Analytics, Meta Pixel, Apache.
- Is zonedns.vn secure (HTTPS)?
- Yes. zonedns.vn uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Dec 17, 2026.
- Who hosts zonedns.vn?
- Hosting provider information for zonedns.vn is not available yet.
- What is zonedns.vn's SEO score?
- zonedns.vn scored 60/100 for SEO in the latest analysis (fair).
- What is zonedns.vn's overall website score?
- zonedns.vn has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
- Has zonedns.vn's score changed over time?
- zonedns.vn's overall score has declined by 2 points (from 78 to 76) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card