oli.be-webspace.net has no CNAME records.
Question and response
Question
dig oli.be-webspace.net. NS
Answer
The response has no answer records.
Authority
be-webspace.net. 10800 SOA a.ns14.net. info.be-webspace.de. 2025121933 43200 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0