# quad9-9-9-9-9
> Quad9 is a free, recursive, anycast DNS platform that provides users with security features, high performance, and privacy by blocking access to known malicious domains. It's operated by the Swiss-based Quad9 Foundation.
- URL: https://optimly.ai/brand/quad9-9-9-9-9
- Logo: https://logo.clearbit.com/quad9-9-9-9-9.com
- Slug: quad9-9-9-9-9
- BAI Score: 48/100
- Archetype: Challenger
- Category: DNS Services
- Last Analyzed: August 9, 2026
## Buyer Intent Signals
Problems: Maintaining local hosts file: Users can manually update their local hosts file to block specific malicious domains. This is cumbersome, difficult to keep updated, and highly impractical for comprehens | Managed Security Service Provider (MSSP): Businesses can hire an MSSP to manage their network security, including DNS filtering. This is a comprehensive but expensive solution, typically for larger or | Using ISP's default DNS: Relying on the default DNS provided by an Internet Service Provider, which typically offers no enhanced security or privacy features and can be slower.
Solutions: Quad9 DNS | best secure DNS resolver | DNS malware blocking service | privacy focused DNS | what is Quad9 | Browser-based security extensions: Using browser extensions that block ads, trackers, and malicious sites. These offer protection at the browser level but do not secure the entire network or non-brows