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-ppn3191815105
	http://digital.slub-dresden.de/ppn319181510 STATUS : 301 → Redirecting to : https://digital.slub-dresden.de/ppn319181510
	https://digital.slub-dresden.de/ppn319181510 STATUS : 302 → Redirecting to : https://digital.slub-dresden.de/resolver.php?obj=319181510
	https://digital.slub-dresden.de/resolver.php?obj=319181510 STATUS : 302 → Redirecting to : https://digital.slub-dresden.de/werkansicht/dlf/11685/1/
	https://digital.slub-dresden.de/werkansicht/dlf/11685/1/ STATUS : 301 → Redirecting to : https://digital.slub-dresden.de/werkansicht/dlf/11685/1
	https://digital.slub-dresden.de/werkansicht/dlf/11685/1 Success. Document available.

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