my.tilaa.com has no CNAME records.
Question and response
Question
dig my.tilaa.com. NS
Answer
The response has no answer records.
Authority
tilaa.com. 300 SOA ns1.tilaa.nl. hostmaster.tilaa.nl. 2026022402 43200 3600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0