[Xymon] Find server sending data to xymon?

Hi,

Is there a way to find out what server is sending data to xymon? I have an entry where the status has been flapping. Looking at it more, it looks like 2 servers are sending data using the same hostname for the xymon config. I disabled the service on the known server (good one) to stop the flapping, but I am not sure how to find out who is sending the other data. Any ideas?

Thanks

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