Domains with DNS TXT v=spf1 a mx include:_spf.google.com include:amazonses.com include:smtp.spf.ziggo.nl include:_spf.mailer.twinfield.com include:spf.mailcamp.nl include:spf.protection.outlook.com ~all

There is 1 domain that have DNS TXT set to v=spf1 a mx include:_spf.google.com include:amazonses.com include:smtp.spf.ziggo.nl include:_spf.mailer.twinfield.com include:spf.mailcamp.nl include:spf.protection.outlook.com ~all.

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