Question and response
Question
dig grindertank.cc. MX
Answer
grindertank.cc. 3600 MX 0 mx.grindertank.cc.
Authority
grindertank.cc. 1800 NS dns1.registrar-servers.com.
grindertank.cc. 1800 NS dns2.registrar-servers.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0
mx.grindertank.cc. 3600 A 72.9.158.248