ns1.intelcom.online has no CNAME records.
Question and response
Question
dig ns1.intelcom.online. NS
Answer
The response has no answer records.
Authority
intelcom.online. 2934 SOA isp.24hc.ru. info.itcom.info. 2019122113 3600 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0