#A4# #Authoritative Primary# #TSIG, TKEY, SIG(0) & TLS# #DNSSEC & TLS# #Dynamic Updates (DDNS) and RNDC# #SysAdmin# #Remote Admin# #Authoritative Secondary# #Area Resolver# #Zone Files# #DSL/Cable Modem# #Proxy# #Transfers# #Queries# #Queries# #1# #2# #2# #3# #4# #Stub (caching) Resolver (PC)# #(Caching Name Server)# #5# #A#