Domains with DNS TXT v=spf1 ip4:104.237.155.129 include:zcsend.net include:_spf.google.com include:_spf.salesforce.com ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:104.237.155.129 include:zcsend.net include:_spf.google.com include:_spf.salesforce.com ~all.