Root zone
These servers manage the DNS root zone
all servers delegate to
com.
These servers manage the com zone
all servers delegate to
telus.com.
These servers manage the telus.com zone
all servers delegate to
lidc.telus.com.
These servers manage the lidc.telus.com zone
all servers delegate to
smtp07.lidc.telus.com.
These servers manage the smtp07.lidc.telus.com zone