ppnt01.packplast.com.pl has no NS records.
NS records for this zone are defined at com.pl.
NS records for this zone are defined at com.pl.
Question and response
Question
dig ppnt01.packplast.com.pl. NS
Answer
The response has no answer records.
Authority
com.pl. 3600 SOA a-dns.pl. dnsmaster.nask.pl. 1771740303 900 300 2592000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0