mailgate02.ps.kz has no CNAME records.
Question and response
Question
dig mailgate02.ps.kz. NS
Answer
The response has no answer records.
Authority
ps.kz. 600 SOA ns.ps.kz. hostmaster.ps.kz. 2026021802 3600 900 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0