quad9.net
Quad9 | A public and free DNS service for a better security and privacy
Last scanned Jul 29, 2026, 3:00 PM · 10 views
Overall score
Great
Summary
A public and free DNS service for a better security and privacy. This website uses Nginx. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
A public and free DNS service for a better security and privacy
Top issues to fix
7 issues found
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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
5 issue(s) found
Performance
258 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 21, 2026
- Overall
- 89
- SEO
- 70
- Security
- 90
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- Quad9 | A public and free DNS service for a better security and privacy
- Description
- A public and free DNS service for a better security and privacy
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- initial-scale=1.0,width=device-width
- Robots meta
- Manifest
- https://quad9.net/manifest.webmanifest
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
- Let's Encrypt
- Subject
- quad9.net
- Valid from
- Jun 7, 2026
- Valid to
- Sep 5, 2026
- Days until expiry
- 38
- SAN domains
- quad9.net
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 5 · H3 8
Links
32 internal · 10 external · 20 broken
Images
19 total · 1 missing alt
Scripts / Styles
2 scripts · 1 stylesheets
JS / CSS size
2.3 KB · 0 B
Page size
29.1 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
- Missing canonical link
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://quad9.net
- Final URL
- https://quad9.net
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 258 ms
- HTML size
- 29.1 KB
- Redirect chain
- https://quad9.net
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does quad9.net use?
- quad9.net is built with Nginx.
- Is quad9.net secure (HTTPS)?
- Yes. quad9.net uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 5, 2026.
- Who hosts quad9.net?
- Hosting provider information for quad9.net is not available yet.
- What is quad9.net's SEO score?
- quad9.net scored 70/100 for SEO in the latest analysis (fair).
- What is quad9.net's overall website score?
- quad9.net has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
- Has quad9.net's score changed over time?
- quad9.net's overall score has declined by 1 point (from 90 to 89) since Jul 21, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card