Go to //www.whatismyip.com/tools/ip-address-lookup.asp copy out ip address from box.
Then go to //www.spamhaus.org/lookup.lasso and past in ip address to box and click “check ip”
It should return
YOUR IP is not listed in the SBL
YOUR IP is not listed in the PBL
YOUR IP is not listed in the XBL
However if it does not return list follow instructions to remove yourself from the list.