Question and response
Question
dig _spf.relay.zorgmail.nl. TXT
Answer
_spf.relay.zorgmail.nl. 3600 TXT "v=spf1 ip4:92.42.235.0/24 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0