smtpout.acumulus.nl has no NS records.
NS records for this zone are defined at acumulus.nl.
NS records for this zone are defined at acumulus.nl.
Question and response
Question
dig smtpout.acumulus.nl. NS
Answer
The response has no answer records.
Authority
acumulus.nl. 360 SOA ns1.sielsystems.nl. beheer.sielsystems.nl. 2026030508 1200 600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0