mailout04.fischl.online has no NS records.
NS records for this zone are defined at fischl.online.
NS records for this zone are defined at fischl.online.
Question and response
Question
dig mailout04.fischl.online. NS
Answer
The response has no answer records.
Authority
fischl.online. 300 SOA ns03.fischl.online. root.fischl-online.de. 1773425607 3600 7200 2419200 300
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0