Root zone
These servers manage the DNS root zone
all servers delegate to
cz.
These servers manage the cz zone
all servers delegate to
cbsmail.cz.
These servers manage the cbsmail.cz zone
Inconsistent responses
We queried these DNS servers, but not all of them returned the same response. Select a group to see their response.
These servers claim authority over cbsmail.cz
These servers refused the query.
This server timed out.