mail-apollo.websitelive.net has no CNAME records.
Question and response
Question
dig mail-apollo.websitelive.net. NS
Answer
The response has no answer records.
Authority
websitelive.net. 6390 SOA ns1.elite-dns.net. hostmaster.websitelive.net. 2100000154 14400 3600 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0