ns1.imgmt.net has no CNAME records.
Question and response
Question
dig ns1.imgmt.net. NS
Answer
The response has no answer records.
Authority
imgmt.net. 7200 SOA ns.wm.net. dnsmaster.wm.net. 2026030431 28800 7200 604800 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0