Get SPF DNS record for Oracle Cloud Email Delivery service

Follow Oracle's Offical guide Configuring SPF

For Americas Region SPF Record

v=spf1 include:rp.oracleemaildelivery.com ~all

The following is an example of a command used to view an SPF record:

dig -t TXT +short syd1.rp.oracleemaildelivery.com

Example output:

"v=spf1 ip4:192.168.0.2/25 -all"

For Canada Regions and Availability Domains

Region Name	Region Identifier	Region Location	Region Key	Availability Domains
Canada Southeast (Montreal)	ca-montreal-1	Montreal, Canada	YUL	1
Canada Southeast (Toronto)	ca-toronto-1	Toronto, Canada	YYZ	1

For Toronto Region:

v=spf1 include:yyz1.rp.oracleemaildelivery.com ~all

Run this command to get the IP address range:

dig -t TXT +short yyz1.rp.oracleemaildelivery.com

Output:

"v=spf1 ip4:192.29.72.0/25 ~all"

Update the SPF DNS record with IP address has a benefit of spf flattening to Fix “Too Many DNS Lookups”

My DNS settings:

"v=spf1 ip4:192.29.72.0/25 -all"