ams01.mailfilter.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 ams01.mailfilter.myrootnet.nl. NS
Answer
The response has no answer records.
Authority
myrootnet.nl. 600 SOA nsauth.myrootnet.com. root.rootnet.nl. 2026031302 14400 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0