spf.bitwise.nl has no NS records.
NS records for this zone are defined at bitwise.nl.
NS records for this zone are defined at bitwise.nl.
Question and response
Question
dig spf.bitwise.nl. NS
Answer
The response has no answer records.
Authority
bitwise.nl. 3600 SOA ns1.premium-dns.net. hostmaster.bitwise.nl. 2026021901 86400 3600 604800 3600
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0