Domains with DNS TXT v=spf1 ip4:194.150.248.156 include:_spf.tophost.ch include:relay.mailchannels.net include:mailgun.org +mx +a ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:194.150.248.156 include:_spf.tophost.ch include:relay.mailchannels.net include:mailgun.org +mx +a ~all.