Question and response
Question
dig nfx.cz. TXT
Answer
nfx.cz. 3600 TXT "v=spf1 mx include:_spf.google.com a:blotto.klfree.net a:smtp.klfree.net a:mail.klfree.net a:mail.pilsfree.net -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0