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:101:1-2022061120591914395940
	https://doi.org/10.1186/s12859-022-04634-w STATUS : 302 → Redirecting to : https://bmcbioinformatics.biomedcentral.com/articles/10.1186/s12859-022-04634-w
	https://bmcbioinformatics.biomedcentral.com/articles/10.1186/s12859-022-04634-w STATUS : 406 → Skipping : https://bmcbioinformatics.biomedcentral.com/articles/10.1186/s12859-022-04634-w
	http://d-nb.info/1259677087/34 STATUS : 301 → Redirecting to : https://d-nb.info/1259677087/34
	https://d-nb.info/1259677087/34 STATUS : 404 → Skipping : https://d-nb.info/1259677087/34

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