Zone apex
Start of authority
Email
Serial
1774336640
Refresh
15m
Retry
5m
Expire
7d
Negative cache TTL
15m
Question and response
Question
dig mailer25.tarsagomail.cz. SOA
Answer
The response has no answer records.
Authority
cz. 900 SOA a.ns.nic.cz. hostmaster.nic.cz. 1774336640 900 300 604800 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0