Domains with DNS TXT v=spf1 mx a ip4:41.185.13.121 a:mail.sfplan.net a:smtp.sfplan.net include:relay.mailchannels.net ~all
There is 1 domain that have DNS TXT set to v=spf1 mx a ip4:41.185.13.121 a:mail.sfplan.net a:smtp.sfplan.net include:relay.mailchannels.net ~all.