Question and response
Question
dig spf.it-help.cz. TXT
Answer
spf.it-help.cz. 3600 TXT "v=spf1 ip4:194.108.42.0/24 ip4:212.80.90.0/24 ip4:193.85.145.14 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0