Domains with DNS TXT spf: v=spf1 include:_spf.protonmail.ch mx ~all

There are 3 domains that have DNS TXT set to spf: v=spf1 include:_spf.protonmail.ch mx ~all. The top 3 records ordered by domain rank are listed below.

Top Domains with TXT set to spf: v=spf1 include:_spf.protonmail.ch mx ~all