mx2.fnhk.cz has no NS records.
NS records for this zone are defined at fnhk.cz.
NS records for this zone are defined at fnhk.cz.
Question and response
Question
dig mx2.fnhk.cz. NS
Answer
The response has no answer records.
Authority
fnhk.cz. 9000 SOA slimak.fnhk.cz. matous.fnhk.cz. 2025112321 14400 3600 1209600 9000
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0