Domains with DNS TXT v=spf1 include:_spf.protonmail.ch mx ip4:188.40.30.46 ip4:185.70.43.17 ip6:2a01:4f8:d0a:11f4::2 -all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.protonmail.ch mx ip4:188.40.30.46 ip4:185.70.43.17 ip6:2a01:4f8:d0a:11f4::2 -all.