Roland works for SURFnet bv, the National Research and Education Network in the Netherlands. His research interests include network security and network measurements, with a particular interest in DNS and DNSSEC. Roland van Rijswijk-Deij is also a Ph.D. candidate at the University of Twente (defense date June 2017), the Netherlands, in the Design and Analysis of Communication Systems Group. He received an M.Sc. degree in Computer Science from the University of Twente in 2001.