Domains with DNS TXT v=spf1 include:_spf.protonmail.ch include:servers.mcsv.net mx a ~all

There is 1 domain that have DNS TXT set to v=spf1 include:_spf.protonmail.ch include:servers.mcsv.net mx a ~all.

Top Domains with TXT set to v=spf1 include:_spf.protonmail.ch include:servers.mcsv.net mx a ~all