www.gtspremiumnet.cz has no NS records.
NS records for this zone are defined at gtspremiumnet.cz.
NS records for this zone are defined at gtspremiumnet.cz.
Question and response
Question
dig www.gtspremiumnet.cz. NS
Answer
The response has no answer records.
Authority
gtspremiumnet.cz. 86400 SOA ns1.gts.cz. hostmaster.cz.net. 2012102900 28800 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0