Question and response
Question
dig ns2.nivexor.com. MX
Answer
ns2.nivexor.com. 5 CNAME nivexor.com.
nivexor.com. 5 MX 0 contact.nivexor.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0