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:30-86657
	http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/20445 STATUS : 301 → Redirecting to : https://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/20445
	https://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/20445 Success. Document available.
	http://publikationen.ub.uni-frankfurt.de/files/20445/E000009899.pdf STATUS : 301 → Redirecting to : https://publikationen.ub.uni-frankfurt.de/files/20445/E000009899.pdf
	https://publikationen.ub.uni-frankfurt.de/files/20445/E000009899.pdf STATUS : 302 → Redirecting to : http://publikationen.ub.uni-frankfurt.de/opus4/frontdoor/deliver/index/docId/20445/file/E000009899.pdf
	http://publikationen.ub.uni-frankfurt.de/opus4/frontdoor/deliver/index/docId/20445/file/E000009899.pdf STATUS : 301 → Redirecting to : https://publikationen.ub.uni-frankfurt.de/opus4/frontdoor/deliver/index/docId/20445/file/E000009899.pdf
	https://publikationen.ub.uni-frankfurt.de/opus4/frontdoor/deliver/index/docId/20445/file/E000009899.pdf Success. Document available.

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