I think this might be related to the pages not being physically present, as we're not probing those URLs the same way an end-user would being that we're doing this in-code. I would like to ask that you submit a support ticket on this one so we can take a closer look for you. Please ping me here if you end up submitting a ticket on this and I'll grab it and get it going in the right direction. Have a good one!
Kyle Kerst
IT Coordinator
SmarterTools Inc.
www.smartertools.com