mxout2.edtmtds.thinktel.ca has no CNAME records.
Question and response
Question
dig mxout2.edtmtds.thinktel.ca. NS
Answer
The response has no answer records.
Authority
edtmtds.thinktel.ca. 2560 SOA ns1.distributel.net. noc.thinktel.ca. 2024121901 16384 2048 1048576 2560
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0