mx2.plusnet.de has no NS records.
NS records for this zone are defined at plusnet.de.
NS records for this zone are defined at plusnet.de.
Question and response
Question
dig mx2.plusnet.de. NS
Answer
The response has no answer records.
Authority
plusnet.de. 3600 SOA ns1.plusnet.de. hostmaster.plusnet.de. 2026021002 36000 7200 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0