Question and response
Question
dig mff.cuni.cz. TXT
Answer
mff.cuni.cz. 28800 TXT "v=spf1 mx ip4:195.113.0.0/16 ip6:2001:718:1e03::/48 ?all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0