Question and response
Question
dig mxpool01.netaddress.usa.net. A
Answer
mxpool01.netaddress.usa.net. 3600 A 165.212.8.32
Authority
netaddress.usa.net. 3600 NS dnsext02.usa.net.
netaddress.usa.net. 3600 NS dnsext01.usa.net.
Additional
dnsext01.usa.net. 900 A 165.212.55.54
dnsext02.usa.net. 900 A 165.212.55.55
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0