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:101:1-2024022823150760285822
	https://karger.com/cto/article-pdf/213/1/24/4170775/000526845.pdf STATUS : 403 → Skipping : https://karger.com/cto/article-pdf/213/1/24/4170775/000526845.pdf
	http://d-nb.info/1322005346/34 STATUS : 301 → Redirecting to : https://d-nb.info/1322005346/34
	https://d-nb.info/1322005346/34 STATUS : 404 → Skipping : https://d-nb.info/1322005346/34

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