Question and response
Question
dig _v4nets.nic.cz. TXT
Answer
_v4nets.nic.cz. 1800 TXT "v=spf1 ip4:217.31.192.0/20 ip4:185.43.132.0/22 ip4:217.31.57.158/32 ip4:217.31.57.157/32 ip4:217.31.57.156/32 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0