mail1.uritelecom.com has no CNAME records.
Question and response
Question
dig mail1.uritelecom.com. NS
Answer
The response has no answer records.
Authority
uritelecom.com. 600 SOA ns61.domaincontrol.com. dns.jomax.net. 2025051600 28800 7200 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0