posta.coolhousing.net has no NS records.
NS records for this zone are defined at coolhousing.net.
NS records for this zone are defined at coolhousing.net.
Question and response
Question
dig posta.coolhousing.net. NS
Answer
The response has no answer records.
Authority
coolhousing.net. 2560 SOA ns1.websupport.cz. admin.websupport.cz. 1773823659 7200 2048 1048576 2560
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0