Your first example is missing single quotes for the working URL, your second example has a typo in the URL which returns 'This page was not found' (Google translated).
https://www.aabenraa.dk/politik-og-dialog/politiske-udvalg/arbejdsmark
+edsudvalget/medlemmer
https://www.aabenraa.dk/politik-og-dialog/politisk-udvalg/arbejdsmarke
+dsudvalget/medlemmer
Even when setting a valid UA string, I get the ASP.net error 'NullReferenceException: Object reference not set to an instance of an object.]', and some debug info best kept away from prying eyes. There's certainly something making it difficult to screenscrape. Perhaps they don't want you to.
