app-a-de.c-549.maxcluster.net has no NS records.
NS records for this zone are defined at c-549.maxcluster.net.
NS records for this zone are defined at c-549.maxcluster.net.
Question and response
Question
dig app-a-de.c-549.maxcluster.net. NS
Answer
The response has no answer records.
Authority
c-549.maxcluster.net. 600 SOA nameserver-1-de.maxcluster.net. info.maxcluster.net. 2021072901 3600 1000 604800 600
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0