mail.csa.kz has no CNAME records.
Question and response
Question
dig mail.csa.kz. NS
Answer
The response has no answer records.
Authority
csa.kz. 7267 SOA ns1.ps.kz. altynbadamllp.gmail.com. 2025102105 10800 3600 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0