uther.membrane.com has no CNAME records.
Question and response
Question
dig uther.membrane.com. NS
Answer
The response has no answer records.
Authority
membrane.com. 10800 SOA parsifal.membrane.com. sidd.membrane.com. 2025090700 10800 1800 604800 259200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0