Zone apex
Start of authority
Email
Serial
2017032000
Refresh
8h
Retry
2h
Expire
7d
Negative cache TTL
1d
Question and response
Question
dig 217.0.81.in-addr.arpa. SOA
Answer
217.0.81.in-addr.arpa. 86400 SOA ns1.casablanca.cz. servis.casablanca.cz. 2017032000 28800 7200 604800 86400
Authority
217.0.81.in-addr.arpa. 86400 NS ns1.casablanca.cz.
217.0.81.in-addr.arpa. 86400 NS slave.casablanca.cz.
Additional
ns1.casablanca.cz. 86400 A 217.11.224.3
ns1.casablanca.cz. 86400 AAAA 2001:1528:1:0:0:0:0:11
slave.casablanca.cz. 86400 A 193.165.246.74
slave.casablanca.cz. 86400 AAAA 2a02:c38:1010:1:0:0:0:13
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0