Domains with DNS TXT v=spf1 include:_spf.firebasemail.com include:spf.protection.outlook.com ip4:93.159.110.172 ip4:93.159.110.162 a:mail1.mbholding.net a:mail2.mbholding.net a:mx01.acs-europe.de a:mx02.acs-europe.de a:mx03.acs-europe.de mx -all

There is 1 domain that have DNS TXT set to v=spf1 include:_spf.firebasemail.com include:spf.protection.outlook.com ip4:93.159.110.172 ip4:93.159.110.162 a:mail1.mbholding.net a:mail2.mbholding.net a:mx01.acs-europe.de a:mx02.acs-europe.de a:mx03.acs-europe.de mx -all.

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