Domains with DNS TXT v=spf1 a mx include:_spf.syphon.sk include:spf.smartemailing.cz -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:_spf.syphon.sk include:spf.smartemailing.cz -all.
There is 1 domain that have DNS TXT set to v=spf1 a mx include:_spf.syphon.sk include:spf.smartemailing.cz -all.