Fast, private DNS with basic content blocking
Quick answer
Cloudflare's 1.1.1.1 for Families is a free DNS resolver that blocks malware (1.1.1.2) or malware plus adult content (1.1.1.3). It is fast and privacy-focused but offers only two filter levels, no app, and no tamper lock.
What Cloudflare 1.1.1.1 for Families does well
- Extremely fast DNS resolution — one of the fastest public resolvers.
- Strong privacy policy: Cloudflare does not sell user data and audits regularly.
- Free, no account required.
- DNS-over-HTTPS and DNS-over-TLS supported.
- Blocks malware on 1.1.1.2; blocks malware + adult content on 1.1.1.3.
Where Cloudflare 1.1.1.1 for Families leaves gaps
- Only two filter presets — no granular category control.
- No mobile or desktop app — manual DNS setup required.
- No uninstall or DNS-change protection.
- No Safe Search enforcement.
- No ad or tracker blocking.
- No per-device profiles.
Feature-by-feature comparison
| Feature | Kahf Guard | Cloudflare 1.1.1.1 for Families |
|---|---|---|
| DNS-level blocking | ✓ | ✓ |
| App-level filtering | ✓ | ✗ |
| Uninstall protection | ✓ | ✗ |
| DNS-change lock | ✓ | ✗ |
| Safe search enforcement | ✓ | ✗ |
| Ad & tracker blocking | ✓ | ✗ |
| Per-device profiles | ✓ | ✗ |
| Router / whole-home coverage | ✓ | ✓ |
| Free tier | ✓ | ✓ |
Our verdict
Cloudflare 1.1.1.1 for Families is the fastest, most privacy-respecting free DNS filter. But it is a blunt instrument — two presets, no app, no lock. It works for a tech-savvy adult; it does not hold for a child who can change a setting.
Block it at the source — and lock it
Free DNS-level filtering, app-level protection, and tamper lock in one app.
Get Kahf Guard freeFrequently asked questions
Is Cloudflare 1.1.1.1 for Families free?
Yes, entirely free with no paid upgrade path for families.
Does it block all adult content?
The 1.1.1.3 resolver blocks domains classified as adult content. However, it does not filter content inside apps, in-app browsers, or explicit images on otherwise-safe pages.
Can it be bypassed?
Yes. Changing the DNS setting on a device bypasses the filter entirely.