server1.ahost.uz has no CNAME records.
Question and response
Question
dig server1.ahost.uz. NS
Answer
The response has no answer records.
Authority
ahost.uz. 10800 SOA dns1.ahost.uz. alert.ahost.uz. 2026030303 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0