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:30:3-699000
	http://publikationen.ub.uni-frankfurt.de/files/69900/10.1515_znb-1963-0704.pdf STATUS : 301 → Redirecting to : https://publikationen.ub.uni-frankfurt.de/files/69900/10.1515_znb-1963-0704.pdf
	https://publikationen.ub.uni-frankfurt.de/files/69900/10.1515_znb-1963-0704.pdf STATUS : 302 → Redirecting to : http://publikationen.ub.uni-frankfurt.de/opus4/frontdoor/deliver/index/docId/69900/file/10.1515_znb-1963-0704.pdf
	http://publikationen.ub.uni-frankfurt.de/opus4/frontdoor/deliver/index/docId/69900/file/10.1515_znb-1963-0704.pdf STATUS : 301 → Redirecting to : https://publikationen.ub.uni-frankfurt.de/opus4/frontdoor/deliver/index/docId/69900/file/10.1515_znb-1963-0704.pdf
	https://publikationen.ub.uni-frankfurt.de/opus4/frontdoor/deliver/index/docId/69900/file/10.1515_znb-1963-0704.pdf Success. Document available.
	http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/69900 STATUS : 301 → Redirecting to : https://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/69900
	https://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/69900 Success. Document available.
	http://d-nb.info/1296020169/34 ERROR : Got more than maximum allowed 3 redirects! Stopping to follow.

Please contact us if you experience any errors with the URN.