Zone apex
Start of authority
Email
Serial
2026030603
Refresh
4h
Retry
1h
Expire
7d
Negative cache TTL
1h
Question and response
Question
dig blue4.cz. SOA
Answer
blue4.cz. 3600 SOA ns.edera.cz. admin.edera.cz. 2026030603 14400 3600 604800 3600
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0