mail.digicable.hu has no CNAME records.
Question and response
Question
dig mail.digicable.hu. NS
Answer
The response has no answer records.
Authority
digicable.hu. 1533 SOA ns1.hdsnet.hu. dnsadmin.digi.co.hu. 2026030301 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0