Domains with DNS TXT v=spf1 include:sendgrid.net include:dts-security.de include:spf.protection.outlook.com ip4:20.105.169.89 ip4:20.76.137.155 include:spf-de.emailsignatures365.com ~all

There is 1 domain that have DNS TXT set to v=spf1 include:sendgrid.net include:dts-security.de include:spf.protection.outlook.com ip4:20.105.169.89 ip4:20.76.137.155 include:spf-de.emailsignatures365.com ~all.

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