Domains with DNS TXT v=spf1 ip4:81.162.206.136 a:mail.slavnet.cz include:spf.box.cz -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:81.162.206.136 a:mail.slavnet.cz include:spf.box.cz -all.
There is 1 domain that have DNS TXT set to v=spf1 ip4:81.162.206.136 a:mail.slavnet.cz include:spf.box.cz -all.