Question and response
Question
dig _spf.true.nl. TXT
Answer
_spf.true.nl. 3600 TXT "v=spf1 include:spf.topdesk.net ip4:87.233.41.15 ip4:87.233.199.42 ip4:87.233.41.25 ip4:87.233.41.63 ip4:87.233.41.67 ip4:87.233.84.50 ip4:87.233.193.170 include:_spf.salesforce.com -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0