Zone apex
Start of authority
Email
Serial
1772182615
Refresh
3h
Retry
1h
Expire
7d
Negative cache TTL
1h
Question and response
Question
dig em4service.cz. SOA
Answer
em4service.cz. 1800 SOA ns1.zcom.cz. hostmaster.zcom.cz. 1772182615 10800 3600 604800 3600
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0