Fundamentally DNS is used by client devices through standard queries to translate human readable, fully qualified domain names such as williedeklerk.com into IP addresses needed for locating and identifying specific computer resources such as web servers. (Mockapetris, RFC 1034, 1987, pp. 16 – 18)
| Company | IPv4 | IPv6 |
|---|---|---|
| Cloudflare | 1.1.1.3 1.0.0.3 | 2606:4700:4700::1113 2606:4700:4700::1003 |
| Adguard | 94.140.14.15 94.140.15.16 | 2a10:50c0::bad1:ff 2a10:50c0::bad2:ff |
| Quad9 | 9.9.9.9 149.112.112.112 | 2620:fe::fe 2620:fe::9 |
Primary Secondary