Question and response
Question
dig spf.vizus.cz. TXT
Answer
spf.vizus.cz. 300 TXT "v=spf1 ip4:82.208.6.0/27 ip4:82.208.6.50 ip4:217.11.242.200/30 ip4:93.185.101.31 ip4:93.185.101.32/27 ip4:94.230.148.80/29 -all"
Authority
vizus.cz. 300 NS ns.default.cz.
vizus.cz. 300 NS ns2.default.cz.
Additional
ns.default.cz. 300 A 82.208.6.1
ns2.default.cz. 300 A 93.185.101.31
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0