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mail.protonmail.ch
10
mailsec.protonmail.ch
20
TXT
TXT Records
v=spf1 a mx ip 71.143.227.196 -all
v=spf1 include:_spf.protonmail.ch ~all
protonmail-verification=8e88aa867d9761a81dc2653c94f9606d50d0c97b
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