ns.bme.hu has no CNAME records.
Question and response
Question
dig ns.bme.hu. NS
Answer
The response has no answer records.
Authority
bme.hu. 3528 SOA nic.bme.hu. hostmaster.eik.bme.hu. 2026022400 43200 7200 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0