exch.soehner.netprotect.support has no CNAME records.
Question and response
Question
dig exch.soehner.netprotect.support. NS
Answer
The response has no answer records.
Authority
netprotect.support. 3411 SOA ns1.netprotect.ro. alex.netprotect.ro. 2025090903 28800 7200 10800 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0