Domains with DNS TXT v=spf1 a:5817.submission.antispamcloud.com a:release.antispamcloud.com include:_spf.protonmail.ch -all
There is 1 domain that have DNS TXT set to v=spf1 a:5817.submission.antispamcloud.com a:release.antispamcloud.com include:_spf.protonmail.ch -all.