mailfilter03.myrootnet.nl has no NS records.
NS records for this zone are defined at myrootnet.nl.
NS records for this zone are defined at myrootnet.nl.
Question and response
Question
dig mailfilter03.myrootnet.nl. NS
Answer
The response has no answer records.
Authority
myrootnet.nl. 600 SOA nsauth.myrootnet.com. root.rootnet.nl. 2026030501 14400 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0