pluto2.gtsgroup.cz has no NS records.
NS records for this zone are defined at gtsgroup.cz.
NS records for this zone are defined at gtsgroup.cz.
Question and response
Question
dig pluto2.gtsgroup.cz. NS
Answer
The response has no answer records.
Authority
gtsgroup.cz. 86400 SOA server1.gts.cz. hostmaster.cz.net. 2024050200 28800 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0