URGENT FCrDNS ERROR - Forward-confirmed reverse DNS failing

[marioVP]

Our Forward-confirmed reverse DNS (FCrDNS) mechanism started rejecting Fitbit messages.

For a couple of days we've been receiving messages from the following IP which cannot be Reversed DNS:

34.67.42.66

https://mxtoolbox.com/SuperTool.aspx?action=ptr%3a34.67.42.66#

[swapnilb83]

I am also facing exact same problem from exact IP: 34.67.42.66

[JohnFitbit]

Hi @marioVP @swapnilb83,

Thanks for reporting this. We're currently investigating and we'll report back once we get more information.

Let me know if you have other questions in the meantime.

[Gordon-C]

This problem has been resolved.  If you're still having a problem, please let us know.