contabo.domaku.com has no CNAME records.
Question and response
Question
dig contabo.domaku.com. NS
Answer
The response has no answer records.
Authority
domaku.com. 2811 SOA ns1.nodoxy.com. hostmaster.domaku.com. 2026030701 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0