Question and response
Question
dig spf.ipzmarketing.com. MX
Answer
spf.ipzmarketing.com. 300 MX 1 mx1.s.ipzmarketing.com.
Authority
The response has no authority records.
Additional
mx1.s.ipzmarketing.com. 300 A 185.103.10.11
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0