Domains with DNS TXT v=spf1 include:spf.protection.outlook.com a:mailout.firstinternet.co.uk a a:mail.firstinternet.co.uk ip4:164.132.156.0 include:spf.mtasv.net include:mailgun.org ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com a:mailout.firstinternet.co.uk a a:mail.firstinternet.co.uk ip4:164.132.156.0 include:spf.mtasv.net include:mailgun.org ~all.

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