php84.gxzone.com has no NS records.
NS records for this zone are defined at gxzone.com.
NS records for this zone are defined at gxzone.com.
Question and response
Question
dig php84.gxzone.com. NS
Answer
The response has no answer records.
Authority
gxzone.com. 1800 SOA wanda.ns.cloudflare.com. dns.cloudflare.com. 2396529941 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0