za.eversrv.com has no CNAME records.
Question and response
Question
dig za.eversrv.com. NS
Answer
The response has no answer records.
Authority
eversrv.com. 127 SOA leonard.ns.cloudflare.com. dns.cloudflare.com. 2393929811 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0