ns7.openitc.net has no CNAME records.
Question and response
Question
dig ns7.openitc.net. NS
Answer
The response has no answer records.
Authority
openitc.net. 3440 SOA ns1.openitc.net. admin.openitc.net. 2026012013 86400 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0