smtp.rt2.hierinloggen.nl has no NS records.
NS records for this zone are defined at hierinloggen.nl.
NS records for this zone are defined at hierinloggen.nl.
Question and response
Question
dig smtp.rt2.hierinloggen.nl. NS
Answer
The response has no answer records.
Authority
hierinloggen.nl. 3600 SOA ns1.kpn.net. zonemaster.kpn.com. 2026031601 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0