dns1.netplanet.at has no CNAME records.
Question and response
Question
dig dns1.netplanet.at. NS
Answer
The response has no answer records.
Authority
netplanet.at. 300 SOA dns1.netplanet.at. support.netplanet.at. 2025050700 1200 3600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0