Question and response
Question
dig ctct2._domainkey.groupflow.app. NS
Answer
ctct2._domainkey.groupflow.app. 5 CNAME 200._domainkey.dkim2.ccsend.com.
Authority
ccsend.com. 2560 SOA ns4.ccsend.com. hostmaster.ccsend.com. 1773490807 16384 2048 1048576 2560
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0