g2server.at has no CNAME records.
Question and response
Question
dig g2server.at. NS
Answer
The response has no answer records.
Authority
at. 4624 SOA dns.nic.at. domain-admin.univie.ac.at. 1771833602 10800 3600 604800 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0