red.gigant.cz has no NS records.
NS records for this zone are defined at gigant.cz.
NS records for this zone are defined at gigant.cz.
Question and response
Question
dig red.gigant.cz. NS
Answer
The response has no answer records.
Authority
gigant.cz. 1800 SOA ns1.geetoo.com. hostmaster.geetoo.com. 45 1200 600 1209600 1800
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0