Find retracted publications in the Retraction Watch database. Pick how you want to search.
I wanna look up author name(s)
Search by author name. Names are ambiguous, so the tool offers every candidate it considers plausible and you decide which retractions really belong to the person you meant.
I wanna look up DOIs
Paste a list of DOIs and see which of them have been retracted. A DOI identifies exactly one publication, so there is nothing to disambiguate. Thus the answer is yes or no.