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:30:3-520870
	http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/52087 STATUS : 429 → Skipping : http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/52087
	http://d-nb.info/1205275045/34 STATUS : 301 → Redirecting to : https://d-nb.info/1205275045/34
	https://d-nb.info/1205275045/34 Success. Document available.
	http://publikationen.ub.uni-frankfurt.de/files/52087/Jahrbuch_FVF_22_2016_Briese_424_428.pdf STATUS : 429 → Skipping : http://publikationen.ub.uni-frankfurt.de/files/52087/Jahrbuch_FVF_22_2016_Briese_424_428.pdf

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