Question and response
Question
dig _spf.voipoperator.nl. TXT
Answer
_spf.voipoperator.nl. 300 TXT "v=spf1 ip4:89.184.160.64/27 ip4:89.184.181.192/28 ip4:89.184.172.4/32 ip4:89.184.187.10/32 ip6:2a00:1950:1000::/56 ip6:2a00:d00:ff:133::/64 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0