HTTP Error Get https://lika.edu-ix.nl/eck/2.5.2/catalog/wsdl: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)

Could not get IP address for domain https://lika.edu-ix.nl/eck/2.5.2/catalog/wsdl, lookup lika.edu-ix.nl on 195.135.195.135:53: server misbehaving