webmail.logistica.uz has no CNAME records.
Question and response
Question
dig webmail.logistica.uz. NS
Answer
The response has no answer records.
Authority
logistica.uz. 4071 SOA hosting.scinet.uz. logistika.adbl.uz. 1747471026 10800 3600 604800 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0