Apex domains cannot have CNAME records.
Question and response
Question
dig ledl.net. NS
Answer
ledl.net. 5 NS ns2.ledl.net.
ledl.net. 5 NS ns1.ledl.net.
ledl.net. 5 NS ns4.ledl.net.
ledl.net. 5 NS ns3.ledl.net.
Authority
The response has no authority records.
Additional
ns1.ledl.net. 5 A 213.145.228.70
ns2.ledl.net. 5 A 213.145.228.140
ns3.ledl.net. 5 A 213.145.232.70
ns4.ledl.net. 5 A 83.151.27.254
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0