Domains with DNS TXT v=spf1 a mx include:incosrv.com include:_spf.google.com include:_emailing.heureka.cz include:spf-smtp-out1.dacc.cz include:spf.protection.outlook.com ~all

There is 1 domain that have DNS TXT set to v=spf1 a mx include:incosrv.com include:_spf.google.com include:_emailing.heureka.cz include:spf-smtp-out1.dacc.cz include:spf.protection.outlook.com ~all.

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