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:101:1-2019042200430011518377
	https://doi.org/10.1038/s41598-019-42161-6 STATUS : 302 → Redirecting to : https://www.nature.com/articles/s41598-019-42161-6
	https://www.nature.com/articles/s41598-019-42161-6 STATUS : 303 → Redirecting to : https://idp.nature.com/authorize?response_type=cookie&client_id=grover&redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41598-019-42161-6
	https://idp.nature.com/authorize?response_type=cookie&client_id=grover&redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41598-019-42161-6 STATUS : 302 → Redirecting to : https://idp.nature.com/transit?redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41598-019-42161-6&code=8051ff95-651c-41f9-9831-0396e4e69163
	https://idp.nature.com/transit?redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41598-019-42161-6&code=8051ff95-651c-41f9-9831-0396e4e69163 STATUS : 302 → Redirecting to : https://www.nature.com/articles/s41598-019-42161-6?error=cookies_not_supported&code=8051ff95-651c-41f9-9831-0396e4e69163
	https://www.nature.com/articles/s41598-019-42161-6?error=cookies_not_supported&code=8051ff95-651c-41f9-9831-0396e4e69163 STATUS : 406 → Skipping : https://www.nature.com/articles/s41598-019-42161-6?error=cookies_not_supported&code=8051ff95-651c-41f9-9831-0396e4e69163
	http://d-nb.info/1184193436/34 ERROR : Got more than maximum allowed 3 redirects! Stopping to follow.

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