mx.partnergate.de has no NS records.
NS records for this zone are defined at partnergate.de.
NS records for this zone are defined at partnergate.de.
Question and response
Question
dig mx.partnergate.de. NS
Answer
The response has no answer records.
Authority
partnergate.de. 300 SOA anycast.regdns1.de. hostmaster.partnergate.de. 2025100700 28800 7200 604800 300
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0