dnsmaster.ttc.cz.apptocloud.net has no NS records.
NS records for this zone are defined at apptocloud.net.
NS records for this zone are defined at apptocloud.net.
Question and response
Question
dig dnsmaster.ttc.cz.apptocloud.net. NS
Answer
The response has no answer records.
Authority
apptocloud.net. 3600 SOA dns1.ttc.cz.apptocloud.net. admin.apptocloud.net. 2026032004 10800 3600 777600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0