Domains with DNS TXT v=spf1 a mx include:relay.mailchannels.net include:_spf.salesforce.com include:spf.antispamcloud.com ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:relay.mailchannels.net include:_spf.salesforce.com include:spf.antispamcloud.com ~all.