intmail.stablepoint.com has no CNAME records.
Question and response
Question
dig intmail.stablepoint.com. NS
Answer
The response has no answer records.
Authority
stablepoint.com. 1268 SOA cass.ns.cloudflare.com. dns.cloudflare.com. 2396907556 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0