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:hebis:30:3-259184
	http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/25918 STATUS : 429 → Skipping : http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/25918
	http://publikationen.ub.uni-frankfurt.de/files/25918/4_Q_73_742.pdf STATUS : 429 → Skipping : http://publikationen.ub.uni-frankfurt.de/files/25918/4_Q_73_742.pdf

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