Question and response
Question
dig mccarthy4boston.com. MX
Answer
mccarthy4boston.com. 3600 MX 0 mx.mccarthy4boston.com.
Authority
The response has no authority records.
Additional
mx.mccarthy4boston.com. 3600 A 192.96.204.147
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0