Zone apex
Start of authority
Email
Serial
2020012101
Refresh
1h
Retry
30m
Expire
30d
Negative cache TTL
1h
Question and response
Question
dig grdns.it. SOA
Answer
grdns.it. 3600 SOA ns.grdns.cz. admin.grdns.cz. 2020012101 3600 1800 2592000 3600
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0