We pick a.root-servers.net, one of the 13 root servers (1), and ask it about dns05.sm.highfsb.com and learn that com is delegated to 13 name servers (2), so we ask b.gtld-servers.net where we learn that highfsb.com is delegated to five name servers, including ns2.highfsb.ca (3), so we ask that one where we see a CNAME from dns05.sm.highfsb.com to dmz01b.edc.highfsb.ca, so we have to start all over again. We pick a.root-servers.net, one of the 13 root servers (4), and ask it about dmz01b.edc.highfsb.ca and learn that ca is delegated to nine name servers (5), so we ask k.ca-servers.ca where we learn that highfsb.ca is delegated to five name servers, including ns1.highfsb.ca (6), so we ask that one and get the following answer: