Question and response
Question
dig csinet.net. MX
Answer
csinet.net. 600 MX 10 csinet-net.mx.av-mx.com.
Authority
csinet.net. 3600 NS ns10.domaincontrol.com.
csinet.net. 3600 NS ns09.domaincontrol.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0