ns.ui-global-dns.de has no CNAME records.
Question and response
Question
dig ns.ui-global-dns.de. NS
Answer
The response has no answer records.
Authority
ui-global-dns.de. 30 SOA ns.ui-global-dns.de. dnsadmin.ionos.de. 2022092603 14400 3600 605000 30
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0