mx1.docsellent.de has no NS records.
NS records for this zone are defined at docsellent.de.
NS records for this zone are defined at docsellent.de.
Question and response
Question
dig mx1.docsellent.de. NS
Answer
The response has no answer records.
Authority
docsellent.de. 10800 SOA ns014.paragon-cc.de. ddi-pl.atos.net. 2023101815 43200 3600 1209600 10800
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0