_spf.cyberfusion.nu has no NS records.
NS records for this zone are defined at cyberfusion.nu.
NS records for this zone are defined at cyberfusion.nu.
Question and response
Question
dig _spf.cyberfusion.nu. NS
Answer
The response has no answer records.
Authority
cyberfusion.nu. 3600 SOA nsauth0.cyberfusion.nl. hostmaster.cyberfusion.nl. 2026030501 14400 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0