Domains with DNS TXT v=spf1 a include:_spf.google.com include:spf.seznam.cz include:servers.mcsv.net include:_spf.zrzka.cz ~all
There is 1 domain that have DNS TXT set to v=spf1 a include:_spf.google.com include:spf.seznam.cz include:servers.mcsv.net include:_spf.zrzka.cz ~all.