dns4.host-redirect.com has no CNAME records.
Question and response
Question
dig dns4.host-redirect.com. NS
Answer
The response has no answer records.
Authority
host-redirect.com. 842 SOA dns1.host-redirect.com. dns.flesk.com. 2026012804 10800 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0