ext.aetzer.de has no NS records.
NS records for this zone are defined at aetzer.de.
NS records for this zone are defined at aetzer.de.
Question and response
Question
dig ext.aetzer.de. NS
Answer
The response has no answer records.
Authority
aetzer.de. 3600 SOA ns.inwx.de. hostmaster.inwx.de. 2026022100 10800 3600 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0