Question and response
Question
dig _netblocks.skynet.cz. TXT
Answer
_netblocks.skynet.cz. 28800 TXT "v=spf1 ip4:193.165.254.0/24 ip4:193.165.192.0/24 ip4:193.165.209.0/24 ip4:193.165.111.0/24 ip4:193.165.154.0/24 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0