mail6.pg8.mailxc.net has no NS records.
NS records for this zone are defined at mailxc.net.
NS records for this zone are defined at mailxc.net.
Question and response
Question
dig mail6.pg8.mailxc.net. NS
Answer
The response has no answer records.
Authority
mailxc.net. 1800 SOA kim.ns.cloudflare.com. dns.cloudflare.com. 2397972782 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0