Question and response
Question
dig spf.maropost.com. TXT
Answer
spf.maropost.com. 3600 TXT "v=spf1 a include:_block1.maropost.com include:_block2.maropost.com include:_block3.maropost.com -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0