UCEPROTECT RBL: a blacklist to ignore
It is widely recognized that UCEPROTECT RBL is a fraudulent blacklist, as it lists even clean IP addresses and then requests a payment for delisting.
Since this is an unreliable list, reports from UCEPROTECT or similar RBLs should be ignored.
For a detailed analysis of UCEPROTECT RBL, you can read this article: UCEPROTECT: When RBLs Go Bad.