mdns.iucc.ac.il has no CNAME records.
Question and response
Question
dig mdns.iucc.ac.il. NS
Answer
The response has no answer records.
Authority
iucc.ac.il. 9575 SOA one.iucc.ac.il. support.iucc.ac.il. 2026020101 5400 3600 1209602 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0