Zone apex
Start of authority
Email
Serial
2015111001
Refresh
3h
Retry
1h
Expire
7d
Negative cache TTL
6m
Question and response
Question
dig hdc1.cz. SOA
Answer
hdc1.cz. 360 SOA ns.hdc1.cz. zeleni.heureka.cz. 2015111001 10800 3600 604800 360
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0