dns.bostream.com has no CNAME records.
Question and response
Question
dig dns.bostream.com. NS
Answer
The response has no answer records.
Authority
bostream.com. 7083 SOA dns.bostream.com. registry.telenor.se. 2026021802 3600 1800 1209600 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0