Question and response
Question
dig spf.blueboard.cz. TXT
Answer
spf.blueboard.cz. 38400 TXT "v=spf1 ip4:178.251.187.18 ip4:178.251.187.4/30 ip4:178.251.187.8 ip4:81.0.214.192/28 ip4:81.0.209.128/26 ip4:77.78.110.192/26 ip4:109.123.222.128/26 -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0