relay-backup.vhostingcloud.com has no NS records.
NS records for this zone are defined at vhostingcloud.com.
NS records for this zone are defined at vhostingcloud.com.
Question and response
Question
dig relay-backup.vhostingcloud.com. NS
Answer
The response has no answer records.
Authority
vhostingcloud.com. 1800 SOA daisy.ns.cloudflare.com. dns.cloudflare.com. 2397262376 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0