dns1.oper.enovation.net has no NS records.
NS records for this zone are defined at oper.enovation.net.
NS records for this zone are defined at oper.enovation.net.
Question and response
Question
dig dns1.oper.enovation.net. NS
Answer
The response has no answer records.
Authority
oper.enovation.net. 7200 SOA enodns1.oper2.enovation.net. beheer.operations.enovation.nl. 2026032601 21600 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0