Zone apex
Start of authority
Email
Serial
2026011507
Refresh
4h
Retry
1h
Expire
7d
Negative cache TTL
2h
Question and response
Question
dig smtp12.cez.cz. SOA
Answer
The response has no answer records.
Authority
cez.cz. 3600 SOA ns10.cez.cz. netmaster.cez.cz. 2026011507 14400 3600 604800 7200
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0