poczta.backup.infoplus.com.pl has no NS records.
NS records for this zone are defined at backup.infoplus.com.pl.
NS records for this zone are defined at backup.infoplus.com.pl.
Question and response
Question
dig poczta.backup.infoplus.com.pl. NS
Answer
The response has no answer records.
Authority
backup.infoplus.com.pl. 10800 SOA dns1.panelplus.pl. bok.infoplus.com.pl. 2023022004 10800 3600 604800 10800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0