Is Your SPF Record About to Break? Free Lookup Counter
Tool demo · SPF Lookup Counter
A short walkthrough of the free WarmInboxes SPF lookup counter: count the DNS lookups an SPF record triggers against the limit of ten, include by include.
SPF Lookup Counter
Count the DNS lookups your SPF record costs, see the include tree, and find out how close you are to the limit.
Run the SPF Lookup Counter → Free, no account.