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:bsz:14-ppn3238729213
	http://digital.slub-dresden.de/ppn323872921 STATUS : 301 → Redirecting to : https://digital.slub-dresden.de/ppn323872921
	https://digital.slub-dresden.de/ppn323872921 STATUS : 302 → Redirecting to : https://digital.slub-dresden.de/resolver.php?obj=323872921
	https://digital.slub-dresden.de/resolver.php?obj=323872921 STATUS : 302 → Redirecting to : https://digital.slub-dresden.de/werkansicht/dlf/8015/1/
	https://digital.slub-dresden.de/werkansicht/dlf/8015/1/ STATUS : 301 → Redirecting to : https://digital.slub-dresden.de/werkansicht/dlf/8015/1
	https://digital.slub-dresden.de/werkansicht/dlf/8015/1 Success. Document available.
	http://d-nb.info/1007285133/34 ERROR : Got more than maximum allowed 3 redirects! Stopping to follow.

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