Question and response
Question
dig 157.51.72.148.host.secureserver.net. A
Answer
157.51.72.148.host.secureserver.net. 300 A 148.72.51.157
Authority
72.148.host.secureserver.net. 86400 NS ans02.domaincontrol.com.
72.148.host.secureserver.net. 86400 NS ans01.domaincontrol.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0