mail.emgrid.pl has no NS records.
NS records for this zone are defined at emgrid.pl.
NS records for this zone are defined at emgrid.pl.
Question and response
Question
dig mail.emgrid.pl. NS
Answer
The response has no answer records.
Authority
emgrid.pl. 1800 SOA lynn.ns.cloudflare.com. dns.cloudflare.com. 2395777491 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0