emma2.eon.com has no CNAME records.
Question and response
Question
dig emma2.eon.com. NS
Answer
The response has no answer records.
Authority
eon.com. 2317 SOA ns0009.secondary.cloudflare.com. hostmaster.adacor.net. 2026022713 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0