Question and response
Question
dig _spf.ionline.nl. TXT
Answer
_spf.ionline.nl. 300 TXT "v=spf1 a:filter1.ionline.nl a:mxfallback.ionline.nl a:backup.isafe.nl ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0