We pick d.root-servers.net, one of the 13 root servers (1), and ask it about faulttolerantdns.com and learn that com is delegated to 13 name servers (2), so we ask f.gtld-servers.net where we learn that faulttolerantdns.com is delegated to two name servers, including ns1.offshore.ai (3), so we ask that one where we see a CNAME from faulttolerantdns.com to ns2.offshore.ai, so we have to start all over again. We pick e.root-servers.net, one of the 13 root servers (4), and ask it about ns2.offshore.ai and learn that ai is delegated to three name servers (5), so we ask ns1.pair.com where we learn that offshore.ai is delegated to two name servers, including ns1.offshore.ai (6), so we ask that one and get the following answer:
