Domains with DNS TXT v=spf1 include:spf.swisscom.com include:spf.appmail.swisscom.com include:_spf.firebasemail.com ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.swisscom.com include:spf.appmail.swisscom.com include:_spf.firebasemail.com ~all.

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