smtp.dataclub.lv has no CNAME records.
Question and response
Question
dig smtp.dataclub.lv. NS
Answer
The response has no answer records.
Authority
dataclub.lv. 4603 SOA ns1.dataclub.lv. support.dataclub.lv. 2025112100 1200 3600 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0