ip138.ip-66-70-214.net has no CNAME records.
Question and response
Question
dig ip138.ip-66-70-214.net. NS
Answer
The response has no answer records.
Authority
ip-66-70-214.net. 108 SOA dns10.ovh.ca. tech.ovh.net. 2025030800 86400 3600 3600000 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0