Question and response
Question
dig _spf4.infraorders.nl. TXT
Answer
_spf4.infraorders.nl. 86400 TXT "v=spf1 ip4:37.114.88.152/31 ip4:91.212.215.230 ip4:185.6.206.135 include:_spf.mx-relay.com ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0