Question and response
Question
dig _spf.voipgrid.nl. TXT
Answer
_spf.voipgrid.nl. 3600 TXT "v=spf1 ip4:195.35.114.0/23 ip6:2a06:2a80::/29 include:spf.flowmailer.net -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0