Domains with DNS TXT v=spf1 mx include:_spf.protonmail.ch include:_spf.google.com include:relay.mailchannels.net ~all
There are 2 domains that have DNS TXT set to v=spf1 mx include:_spf.protonmail.ch include:_spf.google.com include:relay.mailchannels.net ~all. The top 2 records ordered by domain rank are listed below.