Apex domains cannot have CNAME records.
Question and response
Question
dig toledanadelblock.com. NS
Answer
toledanadelblock.com. 4 NS ns2.toledanadelblock.com.
toledanadelblock.com. 4 NS ns1.toledanadelblock.com.
Authority
The response has no authority records.
Additional
ns1.toledanadelblock.com. 4 A 64.44.40.194
ns2.toledanadelblock.com. 4 A 172.93.227.230
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0