quad9.net

toolLow RiskRecommendedeng · Switzerland

AI Score

Quad9 provides a free DNS resolver service that blocks malicious domains to improve security and privacy for internet users worldwide, leveraging Swiss data protection laws.

DNS resolverprivacy toolsecurity servicefree utilitynon-profit tech

Overall score

Confidence 90%

SEO score

good

AI content prob.

Higher = more AI

Domain age

8 years

mature · Est. 2017

Risk & compliance

Verdict: Recommended

Quad9 is a highly trusted and effective DNS service with strong security features, good technical infrastructure, and a clear value proposition, making it a recommended tool for users seeking enhanced internet privacy, despite minor issues with ad density.

Risk level

low

Low risk due to secure HTTPS implementation, reputable registrar, no detected malware, and transparent operations focused on security and privacy, though ad density is high which could affect user experience.

Trust level

high

The site has a global traffic rank of #4041, indicating high trust and established presence; it uses HTTPS, is based in Switzerland with strong privacy laws, and shows no malware signals in the provided data.

Malware risk

None detected

Ad intrusiveness

high

Risk types

high ad density

Content & positioning

AI content prob.

The content shows natural phrasing with specific examples like Swiss data protection and technical details about DNS, lacks uniform sentence structures, and includes varied keyword usage without stuffing, indicating human authorship.

Content quality

high

Main topics

DNS serviceprivacysecuritypublic resolverSwiss data protection

Positioning

Quad9 positions itself as a free, public DNS service that prioritizes user security and privacy by blocking access to malicious websites and operating under strict Swiss privacy laws.

Update frequency

medium

Tech & experience

Tech stack

NginxHugo

HTTPS

Enabled

Mobile friendly

good

UX rating

good

Page structure

clear

SEO & traffic

SEO score

Traffic potential

high

Keyword strategy

structured

Keyword optimization

Current focus

public dnsprivacysecurityquad9dns service

Missing opportunities

free dns resolverdns security best practiceshow to change dns settingsdns vs vpninternet safety tips

Quick wins Fast results

optimize meta description lengthadd more internal links to blog postsinclude schema markup for serviceimprove image alt textscreate FAQ section for common queries

Enhance SEO by targeting long-tail keywords related to DNS setup and security, improving meta descriptions, and adding structured data to boost visibility in search results.

Keyword analysis is based on page content inference, not actual search ranking data. For reference only.

Business model

Strengths & weaknesses

Advantages

+High global traffic rank ensures wide reach and credibility

+Strong focus on security and privacy with Swiss data protection

+Free service model attracts a large user base

+Good mobile-friendly design enhances accessibility

+Clear site structure with well-organized content sections

Disadvantages

−High ad density may detract from user experience and trust

−Limited monetization options could affect long-term sustainability

−Potential for technical jargon that may confuse non-expert users

−Reliance on partnerships for funding introduces uncertainty

−SEO opportunities like long-tail keywords are underutilized

Overall assessment

Overall score

82/ 100

Overall score is high due to strong technical performance with HTTPS and mobile-friendly design, high-quality content focused on security and privacy, good SEO with structured keywords, high trust from global rank and Swiss operations, and a clear business model as a free tool, though ad intrusiveness slightly lowers the score.

Growth potential

medium

Recommendations

1Reduce ad density to improve user experience and trust

2Expand content to include tutorials on DNS setup for beginners

3Enhance SEO by targeting long-tail keywords like 'how to secure DNS'

4Explore additional monetization methods such as premium features

5Add more interactive elements like a community forum for user engagement

Server & security

Response time

630 ms

IP address

195.176.255.138Geneva, CH

CDN

none detected

SSL expires

Jul 7, 2026

Security headers

CSPnot set

HSTSmax-age=63072000; includeSubdo…

X-Framenot set

X-Content-Typenot set

DNS records

195.176.255.138

5 mx1.quad9.net20 mx2.quad9.net10 mx4.quad9.net

ns2.pch.netns3.pch.netanyns.pch.net

TXT

google-site-verification=pubFqUAodApNRC6sXcA_NNli9mak_IIlLSu6SWjyvPgslack-domain-verification=EhulLkEHEcEGaLail027zEvZEfO54vuTRtNOKfY9v=spf1 a mx include:_spf.quad9.net include:mail.zendesk.com include:servers.mcsv.net include:stspg-customer.com ~all

Tech data updated 6d ago