Apex domains cannot have CNAME records.
Question and response
Question
dig eleusi.com. NS
Answer
eleusi.com. 5 NS ns1.spe.net.
eleusi.com. 5 NS ns2.spe.net.
Authority
The response has no authority records.
Additional
ns1.spe.net. 5 A 91.112.73.123
ns2.spe.net. 5 A 188.64.120.39
ns1.spe.net. 5 AAAA 2001:850:426e:1:0:0:0:1
ns2.spe.net. 5 AAAA 2a00:19a8:0:0:0:0:0:27
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0