Domains with DNS TXT v=spf1 +a +include:_spf.salesforce.com +include:spf-pp.ia.ca -all

There is 1 domain that have DNS TXT set to v=spf1 +a +include:_spf.salesforce.com +include:spf-pp.ia.ca -all.

Top Domains with TXT set to v=spf1 +a +include:_spf.salesforce.com +include:spf-pp.ia.ca -all