erelayvx11a.securemail.intermedia.net has no CNAME records.
Question and response
Question
dig erelayvx11a.securemail.intermedia.net. NS
Answer
The response has no answer records.
Authority
securemail.intermedia.net. 1336 SOA ns2.intermedia.net. hostmaster.intermedia.net. 2026021001 3600 1800 604800 3601
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0