proxy1.vofficeglobal.com has no CNAME records.
Question and response
Question
dig proxy1.vofficeglobal.com. NS
Answer
The response has no answer records.
Authority
vofficeglobal.com. 3185 SOA ns07.domaincontrol.com. dns.jomax.net. 2025122300 28800 7200 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0