webserver02.ainet.at has no CNAME records.
Question and response
Question
dig webserver02.ainet.at. NS
Answer
The response has no answer records.
Authority
ainet.at. 3461 SOA dns1.ainet.at. administrator.ainet.at. 2026022303 3600 600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0