SPF Checker

Update 5/11/2023: DMARC analyzer has shut down their SPF lookup tool. Here’s another that will count the lookups: DMARCly.

dmarc analyzer is, hands down, our favorite SPF checker.

Not only does it validate the domain’s SPF record, it expands out all of the calls, AND tells you the count of the DNS lookups.

One of the little known facts about SPF is that the specification says that there can only be up to 10 DNS lookups. If you go past ten, the entire record could be ignored, and then you’re just as bad off if you didn’t have an SPF record at all and you’re living with a false sense of security.

FIX YOUR WEBSITES HEALTH

Results may vary. Some websites may require ongoing therapy.

Real websites, real recovery stories

SUCCESS STORIES

Lisa D.

Store Owner

My website was having performance anxiety. After a few optimization sessions, it's loading faster than ever and enjoys user interactions again.

Treated for:
Performance Depression

Hanna A.

Blog Owner

I thought my site's 404 errors were just a phase, but they helped me understand it was a deeper navigation issue. Now my users can find everything they need.

Treated for:
404 Anxiety Disorder

Robert R.

CEO

Our mobile responsiveness was all over the place. The therapy sessions really helped our site develop a consistent identity across all devices.

Treated for:
Mobile Identity Crisis