| Primary NS IP | Secondary NS IP | Redirects | Configurable | |
| Cloudflare : | 1.1.1.1 | 1.0.0.1 | No | No |
| Google: | 8.8.8.8 | 8.8.4.4 | No | No |
| Level3: | 4.2.2.(1-6) | 4.2.2.(1-6) | No | No |
| OpenDNS: | 208.67.222.222 | 208.67.220.220 | YES1,2,3 | Yes/Free |
| Sunbelt: | 74.118.212.1 | 74.118.212.2 | YES2 | No |
| Symantec: | 198.153.192.1 | 198.153.194.1 | YES2 | No |
| UltraDNS: | 156.154.70.1 | 156.154.71.1 | YES1 | No |
| Verio / NTT: | 129.250.35.250 | 129.250.35.251 | No | No |