_imaps._tcp.hostbrid.com has no CNAME records.
Question and response
Question
dig _imaps._tcp.hostbrid.com. NS
Answer
The response has no answer records.
Authority
hostbrid.com. 750 SOA ns1.hostbrid.com. admin.hostbrid.com. 2026030211 3600 900 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0