Zone apex
Start of authority
Email
Serial
1771895836
Refresh
15m
Retry
5m
Expire
7d
Negative cache TTL
15m
Question and response
Question
dig cz. SOA
Answer
cz. 3600 SOA a.ns.nic.cz. hostmaster.nic.cz. 1771895836 900 300 604800 900
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0