Domains with DNS TXT v=spf1 a include:sendgrid.net include:servers.mcsv.net include:_spf.mailer.twinfield.com include:_spf.transip.email ~all

There is 1 domain that have DNS TXT set to v=spf1 a include:sendgrid.net include:servers.mcsv.net include:_spf.mailer.twinfield.com include:_spf.transip.email ~all.

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