mx.webteizle.me has no CNAME records.
Question and response
Question
dig mx.webteizle.me. NS
Answer
The response has no answer records.
Authority
webteizle.me. 3484 SOA dns.webteizle.me. hostmaster.webteizle.me. 1990957202 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0