Question and response
Question
dig rolbbit.com. MX
Answer
rolbbit.com. 3600 MX 0 mx.rolbbit.com.
Authority
The response has no authority records.
Additional
mx.rolbbit.com. 3600 A 107.150.19.113
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0