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:101:1-2021011319332685403581
	https://doi.org/10.1038/s41586-020-2616-y STATUS : 302 → Redirecting to : https://www.nature.com/articles/s41586-020-2616-y
	https://www.nature.com/articles/s41586-020-2616-y STATUS : 303 → Redirecting to : https://idp.nature.com/authorize?response_type=cookie&client_id=grover&redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41586-020-2616-y
	https://idp.nature.com/authorize?response_type=cookie&client_id=grover&redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41586-020-2616-y STATUS : 302 → Redirecting to : https://idp.nature.com/transit?redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41586-020-2616-y&code=6acea7a3-6b8b-493c-851b-dcd7d2438812
	https://idp.nature.com/transit?redirect_uri=https%3A%2F%2Fwww.nature.com%2Farticles%2Fs41586-020-2616-y&code=6acea7a3-6b8b-493c-851b-dcd7d2438812 STATUS : 302 → Redirecting to : https://www.nature.com/articles/s41586-020-2616-y?error=cookies_not_supported&code=6acea7a3-6b8b-493c-851b-dcd7d2438812
	https://www.nature.com/articles/s41586-020-2616-y?error=cookies_not_supported&code=6acea7a3-6b8b-493c-851b-dcd7d2438812 Success. Document available.
	https://d-nb.info/1225028485/34 Success. Document available.

Please contact the responsible organisation if you experience any errors with the URLs.