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:101:1-2022072621513140911360
	https://www.bookrix.de/_ebook-christine-troy-cassidy/ STATUS : 301 → Redirecting to : https://www.bookrix.de/_ebook-christine-troy-cassidy
	https://www.bookrix.de/_ebook-christine-troy-cassidy STATUS : 404 → Skipping : https://www.bookrix.de/_ebook-christine-troy-cassidy
	http://d-nb.info/1263638759/34 STATUS : 301 → Redirecting to : https://d-nb.info/1263638759/34
	https://d-nb.info/1263638759/34 STATUS : 404 → Skipping : https://d-nb.info/1263638759/34

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