webmail.edgewebhosting.net has no CNAME records.
Question and response
Question
dig webmail.edgewebhosting.net. NS
Answer
The response has no answer records.
Authority
edgewebhosting.net. 800 SOA ns1.edgewebhosting.net. ipadmin.databank.com. 2025110605 7200 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0