With this function, the resolver checks all associated URLs and marks them either with a green tick or, in the event of an error, with a red cross. Users are redirected to the first URL marked in green.

Analyse	urn:nbn:de:urmel-4f14946f-77b9-4773-a0b1-2890de51c60a1
	https://dhb.thulb.uni-jena.de/receive/ufb_cbu_00012535?&derivate=ufb_derivate_00011758 STATUS : 401 → Skipping : https://dhb.thulb.uni-jena.de/receive/ufb_cbu_00012535?&derivate=ufb_derivate_00011758

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