DNS Server Comparison
Compare the top public DNS providers at a glance. Ratings reflect general performance across global test locations — your results may vary by region.
| DNS Provider | Speed | Security | Privacy | Ad Blocking | DoH | DNSSEC |
|---|---|---|---|---|---|---|
| Google Public DNS | ★★★★★ | ★★★★☆ | ★★★☆☆ | |||
| Cloudflare DNS | ★★★★★ | ★★★★★ | ★★★★★ | |||
| OpenDNS | ★★★★☆ | ★★★★★ | ★★★☆☆ | |||
| IBM Quad9 | ★★★★☆ | ★★★★★ | ★★★★☆ | |||
| AdGuard DNS | ★★★★☆ | ★★★★☆ | ★★★★★ | |||
| NextDNS | ★★★★☆ | ★★★★★ | ★★★★★ | |||
| Control D | ★★★★☆ | ★★★★☆ | ★★★★☆ | |||
| Mullvad DNS | ★★★★☆ | ★★★★☆ | ★★★★★ | |||
| 114 DNS | ★★★★☆ | ★★★☆☆ | ★★☆☆☆ | |||
| AliDNS | ★★★★★ | ★★★☆☆ | ★★☆☆☆ |
Cloudflare DNS
GlobalSpeed
Security
Privacy
Ad Blocking
DoH
DNSSEC
Google Public DNS
GlobalSpeed
Security
Privacy
Ad Blocking
DoH
DNSSEC
IBM Quad9
GlobalSpeed
Security
Privacy
Ad Blocking
DoH
DNSSEC
Legend
Supported
Not supported
Rating (1–5 stars)
DoH: DNS over HTTPS
DNSSEC: DNS Security Extensions
Which DNS Should You Choose?
Best for Speed
Cloudflare (1.1.1.1) and Google DNS (8.8.8.8) consistently rank among the fastest public DNS servers globally, with extensive anycast networks.
Best for Security
IBM Quad9 (9.9.9.9) blocks known malicious domains using threat intelligence. OpenDNS offers strong phishing and malware protection.
Best for Privacy
Cloudflare, NextDNS, and Mullvad DNS all commit to minimal or zero logging of your DNS queries.
Best for Ad Blocking
AdGuard DNS, NextDNS, and Control D block ads and trackers at the DNS level — no browser extension needed.