tel.glinetele.com has no CNAME records.
Question and response
Question
dig tel.glinetele.com. NS
Answer
The response has no answer records.
Authority
glinetele.com. 10414 SOA ns1.glinetele.com. info.glinetele.com. 2020112504 10800 3600 604800 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0