lb.yoursrs-ote.com has no CNAME records.
Question and response
Question
dig lb.yoursrs-ote.com. NS
Answer
The response has no answer records.
Authority
yoursrs-ote.com. 3488 SOA ns1.premiumdns.zone. hostmaster.yoursrs-ote.com. 2025103835 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0