Question and response
Question
dig 172.50.180.107.host.secureserver.net. A
Answer
172.50.180.107.host.secureserver.net. 300 A 107.180.50.172
Authority
50.180.107.host.secureserver.net. 86400 NS ans02.domaincontrol.com.
50.180.107.host.secureserver.net. 86400 NS ans01.domaincontrol.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0