Domains with DNS TXT v=spf1 a include:_spf.faster.cz include:spf.smartemailing.cz ip4:185.59.208.104 a:mail.realhost.cz ~all
There is 1 domain that have DNS TXT set to v=spf1 a include:_spf.faster.cz include:spf.smartemailing.cz ip4:185.59.208.104 a:mail.realhost.cz ~all.