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:gbv:547-200900192
	http://www.db-thueringen.de/servlets/DerivateServlet/Derivate-16853/fahrstuhl.rm STATUS : 302 → Redirecting to : https://www.db-thueringen.de/servlets/DerivateServlet/Derivate-16853/fahrstuhl.rm
	https://www.db-thueringen.de/servlets/DerivateServlet/Derivate-16853/fahrstuhl.rm STATUS : 301 → Redirecting to : https://www.db-thueringen.de/servlets/MCRFileNodeServlet/dbt_derivate_00016853/fahrstuhl.rm
	https://www.db-thueringen.de/servlets/MCRFileNodeServlet/dbt_derivate_00016853/fahrstuhl.rm STATUS : 403 → Skipping : https://www.db-thueringen.de/servlets/MCRFileNodeServlet/dbt_derivate_00016853/fahrstuhl.rm

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