Domains with DNS TXT v=spf1 a include:smtp.ziggo.nl include:spf.mihos.net include:_spf.e-boekhouden.nl include:_spf.smtprelay.snel.com -all

There is 1 domain that have DNS TXT set to v=spf1 a include:smtp.ziggo.nl include:spf.mihos.net include:_spf.e-boekhouden.nl include:_spf.smtprelay.snel.com -all.

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