If you have data protection concerns relating the processing of your personal data on this website, you can report them to the following contact address: Quad9 c/o SWITCH, Werdstrasse 2, P.O. Box, CH-2021 Zurich, or via email to support@quad9.net.</p> 1.0 Collected Data 1.1 Logfiles <p>When you visit our website, any or all of the following information may be stored in server log files:</p> <ul> <li>