mail.lewron.de has no NS records.
NS records for this zone are defined at lewron.de.
NS records for this zone are defined at lewron.de.
Question and response
Question
dig mail.lewron.de. NS
Answer
The response has no answer records.
Authority
lewron.de. 150 SOA docks03.rzone.de. hostmaster.strato-rz.de. 2023060732 86400 7200 604800 300
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0