spf.escaux.com has no NS records.
NS records for this zone are defined at escaux.com.
NS records for this zone are defined at escaux.com.
Question and response
Question
dig spf.escaux.com. NS
Answer
The response has no answer records.
Authority
escaux.com. 3600 SOA ns1.destiny.be. hostmaster.escaux.com. 2026022702 28800 7200 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0