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:101:1-2022010715195098796338
	https://rp-kassel.hessen.de/sites/rp-kassel.hessen.de/files/content-downloads/RePort_2011_0.pdf STATUS : 404 → Skipping : https://rp-kassel.hessen.de/sites/rp-kassel.hessen.de/files/content-downloads/RePort_2011_0.pdf
	http://d-nb.info/1248947940/34 STATUS : 301 → Redirecting to : https://d-nb.info/1248947940/34
	https://d-nb.info/1248947940/34 STATUS : 404 → Skipping : https://d-nb.info/1248947940/34

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