List of public DNS service operators
https://en.wikipedia.org/wiki/Public_recursive_name_server
| Provider | IPv4 addresses | IPv6 addresses | Filters |
| AdGuard | 94.140.14.14 | 2a10:50c0::ad1:ff | Default. |
| 94.140.15.15 | 2a10:50c0::ad2:ff | ||
| 94.140.14.15 | 2a10:50c0::bad1:ff | Family. | |
| 94.140.15.16 | 2a10:50c0::bad2:ff | ||
| 94.140.14.140 | 2a10:50c0::1:ff 2a10:50c0::2:ff | None filtering. | |
| 94.140.14.141 | 2a10:50c0::2:ff | ||
| CleanBrowsing | 185.228.168.168 | 2a0d:2a00:1:: | Family |
| 185.228.169.168 | 2a0d:2a00:2:: | ||
| 185.228.168.10 | 2a0d:2a00:1::1 | Adult. Designed to be used on devices of kids under 13. | |
| 185.228.169.11 | 2a0d:2a00:2::1 | ||
| 185.228.168.9 | 2a0d:2a00:1::2 | Security. | |
| 185.228.169.9 | 2a0d:2a00:2::2 | ||
| Cloudflare | 1.1.1.1 | 2606:4700:4700::1111 | None filtering. |
| 1.0.0.1 | 2606:4700:4700::1001 | ||
| — | 2606:4700:4700::64 | Intended to be used with IPv6-only network. | |
| — | 2606:4700:4700::6400 | ||
| 1.1.1.2 | 2606:4700:4700::1112 | Malware, Phishing. | |
| 1.0.0.2 | 2606:4700:4700::1002 | ||
| 1.1.1.3 | 2606:4700:4700::1113 | Malware, Phishing, Adult content. | |
| 1.0.0.3 | 2606:4700:4700::1003 | ||
| 8.8.8.8 | 2001:4860:4860::8888 | None filtering. | |
| 8.8.4.4 | 2001:4860:4860::8844 | ||
| — | 2001:4860:4860::6464 | None filtering.Intended to be used on networks with NAT64 gateway. | |
| — | 2001:4860:4860::64 | ||
| OpenDNS | 208.67.222.222 | 2620:119:35::35 | Basic Security filtering + user defined policies. |
| 208.67.220.220 | 2620:119:53::53 | ||
| 208.67.222.123 | 2620:119:35::123 | “FamilyShield”: adult content. | |
| 208.67.220.123 | 2620:119:53::123 | ||
| 208.67.222.2 | 2620:0:ccc::2 | None filtering. | |
| 208.67.220.2 | 2620:0:ccd::2 | ||
| Quad9 | 9.9.9.9 | 2620:fe::fe | Malicious domains (phishing, malware, exploit kit domains). |
| 149.112.112.112 | 2620:fe::9 | ||
| 9.9.9.10 | 2620:fe::10 | None filtering. | |
| 149.112.112.10 | 2620:fe::fe:10 | ||
| Yandex | 77.88.8.1 | 2a02:6b8::feed:0ff | None filtering. |
| 77.88.8.8 | 2a02:6b8:0:1::feed:0ff | ||
| 77.88.8.2 | 2a02:6b8::feed:bad | “Safe”: fraudulent / infected / bot sites. | |
| 77.88.8.88 | 2a02:6b8:0:1::feed:bad | ||
| 77.88.8.3 | 2a02:6b8::feed:a11 | “Family”: fraudulent / infected / bot / adult sites. | |
| 77.88.8.7 | 2a02:6b8:0:1::feed:a11 |