mx.cyberia.net.lb has no CNAME records.
Question and response
Question
dig mx.cyberia.net.lb. NS
Answer
The response has no answer records.
Authority
cyberia.net.lb. 1641 SOA nse2.cyberia.net.lb. root.cyberia.net.lb. 2026022502 3600 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0