smtp2.convergeict.com has no CNAME records.
Question and response
Question
dig smtp2.convergeict.com. NS
Answer
The response has no answer records.
Authority
convergeict.com. 5518 SOA ns1.metroconnect.com.ph. networkservices.convergeict.com. 2026030628 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0