SPF Checker
Inspect a domain's v=spf1 record, count lookups, and flag issues.
Result for cloudflare.com
v=spf1 ip4:199.15.212.0/22 ip4:173.245.48.0/20 include:_spf.google.com include:spf1.mcsv.net include:spf.mandrillapp.com include:mail.zendesk.com include:stspg-customer.com include:_spf.salesforce.com -all
DNS lookups: 7 / 10