adguard-dns.io
AdGuard DNS — ad-blocking DNS server
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Great
Summary
Create your ad-blocking DNS server that will protect your personal data, prevent tracking and allow you to control access to specific content on the Internet. This website is hosted on Cloudflare. SEO is excellent (100/100) and accessibility is fair (70/100). Security scores fair (65/100) and performance excellent (90/100).
Create your ad-blocking DNS server that will protect your personal data, prevent tracking and allow you to control access to specific content on the Internet.
- Spain
- Hosted on Cloudflare
Top issues to fix
6 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.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
SEO
0 issue(s) found
Performance
621 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Create your ad-blocking DNS server that will protect your personal data, prevent tracking and allow you to control access to specific content on the Internet.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- AdGuard DNS — ad-blocking DNS server
- Description
- Create your ad-blocking DNS server that will protect your personal data, prevent tracking and allow you to control access to specific content on the Internet.
- Canonical
- https://adguard-dns.io/en/welcome.html
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 195.216.190.134
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- ZeroSSL GmbH
- Subject
- *.adguard-dns.io
- Valid from
- Jun 14, 2026
- Valid to
- Sep 12, 2026
- Days until expiry
- 48
- SAN domains
- *.adguard-dns.io, adguard-dns.io
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 5 · H3 19
Links
21 internal · 43 external · 0 broken
Images
21 total · 15 missing alt
Scripts / Styles
5 scripts · 2 stylesheets
JS / CSS size
4.5 KB · 323 KB
Page size
210 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 9
- sitemap.xml
- Found
- URLs in sitemap
- 16
SEO issues
No SEO issues detected.
Accessibility issues
- Over half of images are missing alt text
Scan details
- Requested URL
- https://adguard-dns.io
- Final URL
- https://adguard-dns.io/en/welcome.html
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 617 ms
- HTML size
- 210 KB
- Redirect chain
- https://adguard-dns.io → https://adguard-dns.io/en/welcome.html
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Frequently asked questions
- What technology does adguard-dns.io use?
- We did not detect any specific technologies for adguard-dns.io in the latest scan.
- Is adguard-dns.io secure (HTTPS)?
- Yes. adguard-dns.io uses TLS 1.3 with a certificate issued by ZeroSSL GmbH, valid until Sep 12, 2026.
- Who hosts adguard-dns.io?
- adguard-dns.io is hosted on Cloudflare, behind Cloudflare CDN.
- What is adguard-dns.io's SEO score?
- adguard-dns.io scored 100/100 for SEO in the latest analysis (excellent).
- What is adguard-dns.io's overall website score?
- adguard-dns.io has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card