pmg01.lnxserversecure.com has no NS records.
NS records for this zone are defined at lnxserversecure.com.
NS records for this zone are defined at lnxserversecure.com.
Question and response
Question
dig pmg01.lnxserversecure.com. NS
Answer
The response has no answer records.
Authority
lnxserversecure.com. 1800 SOA jerome.ns.cloudflare.com. dns.cloudflare.com. 2396731575 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0