Apex domains cannot have CNAME records.
Question and response
Question
dig parafarmaciasolobebes.com. NS
Answer
parafarmaciasolobebes.com. 5 NS ns1.parafarmaciasolobebes.com.
parafarmaciasolobebes.com. 5 NS ns2.parafarmaciasolobebes.com.
Authority
The response has no authority records.
Additional
ns1.parafarmaciasolobebes.com. 5 A 66.181.45.171
ns2.parafarmaciasolobebes.com. 5 A 192.142.62.202
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0