Zone apex
Start of authority
Email
Serial
2026012103
Refresh
3h
Retry
30m
Expire
7d
Negative cache TTL
1h
Question and response
Question
dig 232-144-75-188.jon.cz. SOA
Answer
The response has no answer records.
Authority
jon.cz. 3600 SOA ns.dns4.cz. hostmaster.active24.cz. 2026012103 10800 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0