The IP Address is subject to change. You should always look up our SPF record to get the latest IP Addresses.
To search our SPF record use MXToolBox to search infusionmail.com.
- Paste infusionmail.com into the search field.
- From the "MX Lookup" drop down select "SPF Record Lookup"
There's an a:infusionsoft.com in the SPF record which says that the A record of infusionsoft.com is also allowed to send mail.
That's a separate DNS lookup.
- Paste infusionsoft.com into the search field.
- From the "MX Lookup" drop down select "DNS Lookup"