DNS 3.3.3.3: An In-Depth Guide to Amazon’s Public DNS Resolver
| Feature | 3.3.3.3 (Quad9) | 1.1.1.1 (Cloudflare) | 8.8.8.8 (Google) | | :--- | :--- | :--- | :--- | | | Yes (over 160 nodes) | Yes (over 250 nodes) | Yes (massive scale) | | Avg. Latency (US/EU) | 12-18 ms | 9-14 ms | 14-20 ms | | Privacy Logging | No IP logging (retains only geo-location for 24h) | Deletes IPs within 24h | Retains permanent IP + location data | | Threat Blocking | Blocks known malware/phishing (default) | No blocking (unless family filter on) | No blocking | | DNSSEC Validation | Enabled by default | Enabled by default | Enabled by default | | Encryption | DoT, DoH, DoQ | DoT, DoH, DoQ | DoT, DoH | dns 3.3.3.3
| Feature | 3.3.3.3 | Google 8.8.8.8 | Cloudflare 1.1.1.1 | |--------|-----------|----------------|----------------------| | Logging | No permanent logs (rolling 24h for abuse only) | 24–48h random sampling, then anonymized | 24h then deleted | | Purpose logging | Security/threat detection only | Performance + security | Anonymous metrics | | Third-party sharing | Never | Anonymized only | No | | Jurisdiction | Canada (PIPEDA) | USA (CFIUS/FISA) | USA | When a query is made to that IP,
Amazon employs Anycast routing for its infrastructure. This means that a single IP address like 3.3.3.3 is assigned to multiple physical servers across the globe. When a query is made to that IP, the internet automatically routes the request to the geographically closest data center. This minimizes physical travel time for data packets. 3. Captive Portals and Internal Testing Captive Portals and Internal Testing