linux.mahahosting.com has no CNAME records.
Question and response
Question
dig linux.mahahosting.com. NS
Answer
The response has no answer records.
Authority
mahahosting.com. 1795 SOA sandy.ns.cloudflare.com. dns.cloudflare.com. 2397768747 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0