Zone apex
Start of authority
Email
Serial
2025032500
Refresh
8h
Retry
2h
Expire
7d
Negative cache TTL
1d
Question and response
Question
dig smtp-bulk.osanet.cz. SOA
Answer
The response has no answer records.
Authority
osanet.cz. 86400 SOA decsys.vsb.cz. hostmaster.vsb.cz. 2025032500 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1472, xrcode 0, version 0, flags 0