Domains with DNS TXT v=spf1 mx a include:relay.mailchannels.net include:smart.4c-it.com ip4:184.175.102.84 ip4:184.175.102.91 ~all
There is 1 domain that have DNS TXT set to v=spf1 mx a include:relay.mailchannels.net include:smart.4c-it.com ip4:184.175.102.84 ip4:184.175.102.91 ~all.