Zone apex
Start of authority
Email
Serial
1773902621
Refresh
3h
Retry
1h
Expire
7d
Negative cache TTL
1h
Question and response
Question
dig smtp246.em5service.cz. SOA
Answer
The response has no answer records.
Authority
em5service.cz. 1800 SOA ns1.zcom.cz. hostmaster.zcom.cz. 1773902621 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0