Question and response
Question
dig cbsmail.cz. TXT
Answer
cbsmail.cz. 3600 TXT "v=spf1 ip4:188.122.222.233 ip4:81.25.16.252 ip4:81.25.16.234/31 ip4:81.25.16.224 ip4:81.25.16.139 ip4:81.25.16.243 ip4:81.25.16.170 ip6:2a00:1800:0:100:0:0:0:0/64 a:mxin1.cbsmail.cz a:mxin2.cbsmail.cz a:mx1.tlnt.cz -all"
Authority
cbsmail.cz. 3600 NS ns2.cbsn.cz.
cbsmail.cz. 3600 NS ns1.cbsn.cz.
cbsmail.cz. 3600 NS ns3.cbsn.cz.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0