mailnew.inetive.pl has no NS records.
NS records for this zone are defined at inetive.pl.
NS records for this zone are defined at inetive.pl.
Question and response
Question
dig mailnew.inetive.pl. NS
Answer
The response has no answer records.
Authority
inetive.pl. 1800 SOA lex.ns.cloudflare.com. dns.cloudflare.com. 2397196651 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0