Question and response
Question
dig _spf.dfn.nl. TXT
Answer
_spf.dfn.nl. 86400 TXT "v=spf1 ip4:217.102.255.0/24 ip4:62.238.254.0/27 ip4:62.45.70.128/25 ip6:2a02:f68:0:34::/64 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0