cloudspf2.metricstream.com has no CNAME records.
Question and response
Question
dig cloudspf2.metricstream.com. NS
Answer
The response has no answer records.
Authority
metricstream.com. 1317 SOA elle.ns.cloudflare.com. dns.cloudflare.com. 2397608486 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0