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:101:1-2023071821541725391295
	https://www.bookrix.de/_ebook-verena-nebl-who-is-who-himmel-und-schwert/ STATUS : 404 → Skipping : https://www.bookrix.de/_ebook-verena-nebl-who-is-who-himmel-und-schwert/
	https://d-nb.info/1296546284/34 Success. Document available.

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