# Quad9: how AI models rank it, October 2026

IT AI Recommendation Index, October 2026 Edition. Named in 29 judge labels across 2 categories by 13 of 14 models. Page: https://it-ai-index.com/vendors/quad9/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| DNS filtering | 0% | 10 | 11% | 28 |
| Managed DNS | 0% | 54 | 0% | 1 |

## What the models said for it

- "A Swiss-based non-profit that offers robust, built-in threat/malware blocking. It keeps no personal logs and is highly secure." (Gemini 3.5 Flash, DNS filtering)
- "Services that meet these criteria include Quad9, CleanBrowsing, Control D, and Mullvad" (GLM 4.7 FlashX, DNS filtering)
- "Quad9 (Switzerland) – No logs, malware blocking, independent and non-profit." (DeepSeek V4 Flash, DNS filtering)
- "Cloudflare and Quad9 are public DNS options committed to user privacy." (Claude Haiku 4.5, DNS filtering)

## And against it

- "Avoid free options like Quad9 for business use" (Kimi K2, DNS filtering)
- "viable only if you have a very small team (≤ 10–15 users) and can accept limited analytics and no support" (GLM 4.7 FlashX, DNS filtering)
- "provide basic threat filtering but lack company-grade management, reporting, or custom policies" (Grok 4.1 Fast, DNS filtering)

## In its own words

What Quad9's own pages state, read 2026-10-05. Stated by the vendor, not checked by the index.

- Positioning: A public and free DNS service for a better security and privacy (https://quad9.net/)
- For: Internet users (https://quad9.net/)
- Price stated: free (https://quad9.net/)
- Free plan or trial: free (https://quad9.net/)
- Hosting: over 110 countries

## What it publishes

Every page quad9.net exposes, read 2026-10-05: 481 addresses. By kind, pages and the last 90 days:

- blog: 2 pages, 0 in the last 90 days, latest undated
- webinar or virtual event: 2 pages, 0 in the last 90 days, latest undated
- report or ebook: 2 pages, 0 in the last 90 days, latest undated
- news or press: 116 pages, 0 in the last 90 days, latest undated

## Record

- Method: https://it-ai-index.com/methodology/
- Raw judge labels and full responses: https://it-ai-index.com/data/
- License: CC BY 4.0. Cite as IT AI Recommendation Index, October 2026 Edition, it-ai-index.com.