ma100643.psmanaged.com has no CNAME records.
Question and response
Question
dig ma100643.psmanaged.com. NS
Answer
The response has no answer records.
Authority
psmanaged.com. 900 SOA ns1.plusserver.com. hostmaster.plusserver.com. 2026030901 3600 900 3600000 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0