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:hebis:30:4-248134
	https://sammlungen.ub.uni-frankfurt.de/urn/urn:nbn:de:hebis:30:4-248134 RESTEASY004655: Unable to invoke request: org.apache.http.conn.ConnectTimeoutException: Connect to sammlungen.ub.uni-frankfurt.de:443 [sammlungen.ub.uni-frankfurt.de/141.2.42.250] failed: Connect timed out

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