spf.openminds.be has no NS records.
NS records for this zone are defined at openminds.be.
NS records for this zone are defined at openminds.be.
Question and response
Question
dig spf.openminds.be. NS
Answer
The response has no answer records.
Authority
openminds.be. 3600 SOA ns1.openminds.be. hostmaster.openminds.be. 2772670993 14400 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0