Apex domains cannot have CNAME records.
Question and response
Question
dig komutators.lv. NS
Answer
komutators.lv. 5 NS ns.cnetworks.lv.
komutators.lv. 5 NS bind.cnetworks.lv.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0