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:30:3-284098
	http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/28409 STATUS : 301 → Redirecting to : https://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/28409
	https://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/28409 Success. Document available.
	http://publikationen.ub.uni-frankfurt.de/files/28409/original_nach03_3.pdf STATUS : 301 → Redirecting to : https://publikationen.ub.uni-frankfurt.de/files/28409/original_nach03_3.pdf
	https://publikationen.ub.uni-frankfurt.de/files/28409/original_nach03_3.pdf STATUS : 302 → Redirecting to : http://publikationen.ub.uni-frankfurt.de/opus4/frontdoor/deliver/index/docId/28409/file/original_nach03_3.pdf
	http://publikationen.ub.uni-frankfurt.de/opus4/frontdoor/deliver/index/docId/28409/file/original_nach03_3.pdf STATUS : 301 → Redirecting to : https://publikationen.ub.uni-frankfurt.de/opus4/frontdoor/deliver/index/docId/28409/file/original_nach03_3.pdf
	https://publikationen.ub.uni-frankfurt.de/opus4/frontdoor/deliver/index/docId/28409/file/original_nach03_3.pdf Success. Document available.
	http://d-nb.info/1080039031/34 ERROR : Got more than maximum allowed 3 redirects! Stopping to follow.

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