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:354-2008052779
	http://edok.bib.mh-hannover.de/ediss/diss-peterss.pdf RESTEASY004655: Unable to invoke request: java.net.UnknownHostException: edok.bib.mh-hannover.de: Name or service not known
	https://d-nb.info/98943320x/34 Success. Document available.

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