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:1111-2016112611300
	http://dx.doi.org/10.1186/s40360-016-0097-2 STATUS : 301 → Redirecting to : https://dx.doi.org/10.1186/s40360-016-0097-2
	https://dx.doi.org/10.1186/s40360-016-0097-2 STATUS : 302 → Redirecting to : http://bmcpharmacoltoxicol.biomedcentral.com/articles/10.1186/s40360-016-0097-2
	http://bmcpharmacoltoxicol.biomedcentral.com/articles/10.1186/s40360-016-0097-2 STATUS : 301 → Redirecting to : https://bmcpharmacoltoxicol.biomedcentral.com/articles/10.1186/s40360-016-0097-2
	https://bmcpharmacoltoxicol.biomedcentral.com/articles/10.1186/s40360-016-0097-2 STATUS : 406 → Skipping : https://bmcpharmacoltoxicol.biomedcentral.com/articles/10.1186/s40360-016-0097-2
	http://d-nb.info/1120202388/34 STATUS : 301 → Redirecting to : https://d-nb.info/1120202388/34
	https://d-nb.info/1120202388/34 STATUS : 404 → Skipping : https://d-nb.info/1120202388/34

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