Domains with DNS TXT v=spf1 a mx include:spf.protection.outlook.com ip4:136.144.170.160 include:_spf.transip.email ip4:93.186.185.180 ip4:185.39.46.159 ip4:93.186.185.190 ip6:2a04:7c00:44::14 ip6:2a01:7c8:aac9:2b6::1 -all

There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.protection.outlook.com ip4:136.144.170.160 include:_spf.transip.email ip4:93.186.185.180 ip4:185.39.46.159 ip4:93.186.185.190 ip6:2a04:7c00:44::14 ip6:2a01:7c8:aac9:2b6::1 -all.

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