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:101:1-2017121421536
	https://www.karger.com/Article/Pdf/448496 STATUS : 301 → Redirecting to : https://karger.com/ver/article-pdf/26/3/159/3606917/000448496.pdf
	https://karger.com/ver/article-pdf/26/3/159/3606917/000448496.pdf STATUS : 403 → Skipping : https://karger.com/ver/article-pdf/26/3/159/3606917/000448496.pdf
	http://d-nb.info/114870311X/34 STATUS : 301 → Redirecting to : https://d-nb.info/114870311X/34
	https://d-nb.info/114870311X/34 STATUS : 404 → Skipping : https://d-nb.info/114870311X/34

Please contact us if you experience any errors with the URN.