master.rosprint.net has no CNAME records.
Question and response
Question
dig master.rosprint.net. NS
Answer
The response has no answer records.
Authority
rosprint.net. 10800 SOA master.rosprint.net. dnsmaster.rosprint.net. 2026021103 19800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0