kendra.etop.pl has no NS records.
NS records for this zone are defined at etop.pl.
NS records for this zone are defined at etop.pl.
Question and response
Question
dig kendra.etop.pl. NS
Answer
The response has no answer records.
Authority
etop.pl. 14400 SOA ivo.etop.pl. csl.csl.pl. 2026020601 10800 3600 1209600 86400
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0