srvout-2.s.ibrowse.com has no CNAME records.
Question and response
Question
dig srvout-2.s.ibrowse.com. NS
Answer
The response has no answer records.
Authority
s.ibrowse.com. 3600 SOA ns1.ibrowse.com. netadmin.ibrowse.com. 2026030502 3600 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0