Apex domains cannot have CNAME records.
Question and response
Question
dig totaal.net. NS
Answer
totaal.net. 5 NS ns.totaal.net.
totaal.net. 5 NS ns.totaalnet.com.
totaal.net. 5 NS ns.totaalnet.org.
Authority
The response has no authority records.
Additional
ns.totaal.net. 5 A 77.95.248.169
ns.totaalnet.com. 5 A 85.119.243.8
ns.totaalnet.org. 5 A 31.3.105.134
ns.totaal.net. 5 AAAA 2a00:1478:20:2:8:772:0:1
ns.totaalnet.com. 5 AAAA 2a00:e760:100:2:8:1113:0:1
ns.totaalnet.org. 5 AAAA 2a03:7900:105:31:3:105:134:1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0