spamfw.mailport.nl has no NS records.
NS records for this zone are defined at mailport.nl.
NS records for this zone are defined at mailport.nl.
Question and response
Question
dig spamfw.mailport.nl. NS
Answer
The response has no answer records.
Authority
mailport.nl. 1000 SOA intention.ns01.nl. hostmaster.intention.nl. 2025083734 3600 14400 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0