relay3.outbox.de has no NS records.
NS records for this zone are defined at outbox.de.
NS records for this zone are defined at outbox.de.
Question and response
Question
dig relay3.outbox.de. NS
Answer
The response has no answer records.
Authority
outbox.de. 86400 SOA a.ns14.net. internetx.outbox.de. 2026011385 43200 7200 1209600 86400
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0