
Domain health analysis for high performance email campaigns
Most people are running email campaigns with damaged domains and they don't know it. Now you can find out quickly and easily. Folderly Lens checks public DNS, authentication, MX, IP rDNS, and blacklist signals, then returns a KILL / REHAB / KEEP verdict with a copyable fix plan. No signup, no mailbox access, no test sends.
Folderly Lens provides domain health analysis by evaluating public DNS, authentication, MX records, IP rDNS, and blacklist signals. It delivers a verdict of KILL, REHAB, or KEEP along with a fix plan, without requiring signup or mailbox access.