mail.webtelpro.com has no CNAME records.
Question and response
Question
dig mail.webtelpro.com. NS
Answer
The response has no answer records.
Authority
webtelpro.com. 2609 SOA ns1.neonova.net. hostmaster.neonova.net. 2005122901 3600 1800 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0