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:30:3-730352
	http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/73035 STATUS : 429 → Skipping : http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/73035
	http://publikationen.ub.uni-frankfurt.de/files/73035/april_2001.pdf STATUS : 429 → Skipping : http://publikationen.ub.uni-frankfurt.de/files/73035/april_2001.pdf
	http://d-nb.info/1289222851/34 STATUS : 301 → Redirecting to : https://d-nb.info/1289222851/34
	https://d-nb.info/1289222851/34 Success. Document available.

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