Domains with DNS TXT v=spf1 mx a include:spf.swissmemorial.ch include:_spf.tophost.ch include:relay.mailchannels.net -all
There is 1 domain that have DNS TXT set to v=spf1 mx a include:spf.swissmemorial.ch include:_spf.tophost.ch include:relay.mailchannels.net -all.