mx.gmhost.hosting has no NS records.
NS records for this zone are defined at gmhost.hosting.
NS records for this zone are defined at gmhost.hosting.
Question and response
Question
dig mx.gmhost.hosting. NS
Answer
The response has no answer records.
Authority
gmhost.hosting. 1800 SOA georgia.ns.cloudflare.com. dns.cloudflare.com. 2397956042 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0