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:101:1-2021041400081038898247
	https://doi.org/10.1007/s11307-021-01582-4 STATUS : 302 → Redirecting to : http://link.springer.com/10.1007/s11307-021-01582-4
	http://link.springer.com/10.1007/s11307-021-01582-4 STATUS : 301 → Redirecting to : https://link.springer.com/article/10.1007/s11307-021-01582-4
	https://link.springer.com/article/10.1007/s11307-021-01582-4 STATUS : 303 → Redirecting to : https://idp.springer.com/authorize?response_type=cookie&client_id=springerlink&redirect_uri=https%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs11307-021-01582-4
	https://idp.springer.com/authorize?response_type=cookie&client_id=springerlink&redirect_uri=https%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs11307-021-01582-4 STATUS : 302 → Redirecting to : https://idp.springer.com/transit?redirect_uri=https%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs11307-021-01582-4&code=233c290c-f434-4b76-8ddd-5bec62c5eac7
	https://idp.springer.com/transit?redirect_uri=https%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs11307-021-01582-4&code=233c290c-f434-4b76-8ddd-5bec62c5eac7 ERROR : Got more than maximum allowed 3 redirects! Stopping to follow.
	http://d-nb.info/1231354348/34 ERROR : Got more than maximum allowed 3 redirects! Stopping to follow.

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