Publications
2025
Characterizing Hosting and Security Practices for Public-Facing LDAP Servers (2025)In 2025 21st International Conference on Network and Service Management (CNSM) (Accepted/In press). Luvizotto Cesar, G., Öndarö, G., Kaspereit, J., Ising, F., Schinzel, S., Jonker, M. & Holz, R.From Scarcity to Opportunity: Examining Abuse of the IPv4 Leasing Market (2025)In Network Traffic Measurement and Analysis Conference 2025 (TMA'2025). IEEE. Degen, B., Du, B., Mok, R., Sommese, R., Jonker, M., van Rijswijk - Deij, R. M. & Claffy, k.On the Role of Forward-Confirmed reverse DNS in E-mail Authentication (2025)In Network Traffic Measurement and Analysis Conference 2025 (TMA'2025). IEEE. Arouna, A., Fontein, R. L. H., Meijerink, B., Livadariu, I. & Jonker, M.ECSeptional DNS Data: Evaluating Nameserver ECS Deployments with Response-Aware Scanning (2025)Proceedings of the ACM on Networking, 3(CoNEXT2), 1-25. Article 11. Sattler, P., Zirngibl, J., Hilal, F., Gasser, O., Vermeulen, K., Carle, G. & Jonker, M.https://doi.org/10.1145/3730977To Block Or Not To Block?: Evaluating Parental Controls Across Routers, DNS Services, and Software (2025)In Network Traffic Measurement and Analysis Conference 2025 (TMA'2025). International Federation for Information Processing (IFIP). Liberato, M., Affinito, A., Meijerink, B., Jonker, M., Botta, A. & Sperotto, A.MAnycast Reloaded: a Tool for an Open, Fast, Responsible and Efficient Daily Anycast Census (2025)[Working paper › Preprint]. ArXiv.org. Hendriks, R., Luckie, M., Jonker, M., Sommese, R. & van Rijswijk-Deij, R.https://doi.org/10.48550/arXiv.2503.20554Load-Balancing versus Anycast: A First Look at Operational Challenges (2025)[Working paper › Preprint]. ArXiv.org. Hendriks, R., Jonker, M., van Rijswijk-Deij, R. & Sommese, R.https://doi.org/10.48550/arXiv.2503.14351
2024
ECSeptional DNS Data: Evaluating Nameserver ECS Deployments with Response-Aware Scanning (2024)[Working paper › Preprint]. ArXiv.org. Sattler, P., Zirngibl, J., Hilal, F., Gasser, O., Vermeulen, K., Carle, G. & Jonker, M.https://doi.org/10.48550/arXiv.2412.08478Proactively defending against DDoS attacks: Focusing on DNS reflection and amplification (2024)[Thesis › PhD Thesis - Research UT, graduation UT]. University of Twente. Yazdani, R.https://doi.org/10.3990/1.9789036563956DarkDNS: Revisiting the Value of Rapid Zone Update (2024)In IMC 2024 - Proceedings of the 2024 ACM Internet Measurement Conference (pp. 454-461) (Proceedings of the ACM SIGCOMM Internet Measurement Conference, IMC; Vol. 2024). Association for Computing Machinery (ACM). Sommese, R., Akiwate, G., Affinito, A., Muller, M., Jonker, M. & Claffy, K. C.https://doi.org/10.1145/3646547.3689021The Age of DDoScovery: An Empirical Comparison of Industry and Academic DDoS Assessments (2024)In IMC 2024 - Proceedings of the 2024 ACM Internet Measurement Conference (pp. 259-279) (Proceedings of the ACM SIGCOMM Internet Measurement Conference, IMC). Association for Computing Machinery (ACM). Hiesgen, R., Nawrocki, M., Barcellos, M., Kopp, D., Hohlfeld, O., Chan, E., Dobbins, R., Doerr, C., Rossow, C., Thomas, D. R., Jonker, M., Mok, R., Luo, X., Kristoff, J., Schmidt, T. C., Wählisch, M. & Claffy, K.https://doi.org/10.1145/3646547.3688451The Wisdom of the Measurement Crowd: Building the Internet Yellow Pages a Knowledge Graph for the Internet (2024)In IMC 2024 - Proceedings of the 2024 ACM Internet Measurement Conference (pp. 183-198) (Proceedings of the ACM SIGCOMM Internet Measurement Conference, IMC; Vol. 2024). Association for Computing Machinery (ACM). Fontugne, R., Tashiro, M., Sommese, R., Jonker, M., Bischof, Z. S. & Aben, E.https://doi.org/10.1145/3646547.3688444Victimization in DDoS Attacks: The Role of Popularity and Industry Sector (2024)Computers & Security (E-pub ahead of print/First online). Haq, M. Y. M., Affinito, A., Botta, A., Sperotto, A., Nieuwenhuis, L. J. M., Jonker, M. & Abhishta, A.https://doi.org/10.2139/ssrn.4970423This Is a Local Domain: On Amassing Country-Code Top-Level Domains from Public Data (2024)Computer communication review, 54(2), 2-9. Sommese, R., Van Rijswijk-Deij, R. & Jonker, M.https://doi.org/10.1145/3687234.3687236An Empirical Characterization of Anycast Convergence Time (2024)In ANRW 2024 - Proceedings of the 2024 Applied Networking Research Workshop (pp. 23-30). Association for Computing Machinery. Degen, B., Jonker, M., van Rijswijk-Deij, R. & Sommese, R.https://doi.org/10.1145/3673422.3674890An Empirical Characterization of Anycast Convergence Time (2024)[Dataset Types › Dataset]. Zenodo. Degen, B., Jonker, M., van Rijswijk-Deij, R. & Sommese, R.https://doi.org/10.5281/zenodo.11617186DarkDNS: Revisiting the Value of Rapid Zone Update (2024)[Working paper › Preprint]. ArXiv.org. Sommese, R., Akiwate, G., Affinito, A., Muller, M., Jonker, M. & Claffy, K. C.https://doi.org/10.48550/arXiv.2405.12010Swamp of Reflectors: Investigating the Ecosystem of Open DNS Resolvers (2024)In Passive and Active Measurement: 25th International Conference, PAM 2024, Virtual Event, March 11–13, 2024, Proceedings, Part II (pp. 3-18) (Lecture Notes in Computer Science; Vol. 14538). Springer. Yazdani, R., Jonker, M. & Sperotto, A.https://doi.org/10.1007/978-3-031-56252-5_1LanDscAPe: Exploring LDAP Weaknesses and Data Leaks at Internet Scale (2024)In Proceedings of the 33rd USENIX Security Symposium (pp. 1225-1242). USENIX Association. Kaspereit, J., Öndarö, G., Cesar, G. L., Ebbers, S., Ising, F., Saatjohann, C., Jonker, M., Holz, R. & Schinzel, S.
2023
Advancing in Reverse: A Comprehensive Characterization of IN-ADDR. ARPA Deployment (2023)In AINTEC '23: Proceedings of the 18th Asian Internet Engineering Conference (pp. 37-45). Association for Computing Machinery. Arouna, A., Livadariu, I., van Rijswijk-Deij, R. M. & Jonker, M.https://doi.org/10.1145/3630590.3630595Packed to the Brim: Investigating the Impact of Highly Responsive Prefixes on Internet-wide Measurement Campaigns (2023)Proceedings of the ACM on Networking, 1(3). Article 24. Sattler, P., Zirngibl, J., Jonker, M., Gasser, O., Carle, G. & Holz, R.https://doi.org/10.1145/3629146Packed to the Brim: Investigating the Impact of Highly Responsive Prefixes on Internet-wide Measurement Campaigns (2023)[Working paper › Preprint]. ArXiv.org. Sattler, P., Zirngibl, J., Jonker, M., Gasser, O., Carle, G. & Holz, R.https://doi.org/10.48550/arXiv.2310.17012Poster: Through the ccTLD Looking Glass: Mining CT Logs for Fun, Profit and Domain Names (2023)In IMC 2023: Proceedings of the 2023 ACM on Internet Measurement Conference (pp. 714-715). Association for Computing Machinery. Sommese, R. & Jonker, M.https://doi.org/10.1145/3618257.3624994This Is a Local Domain: On Amassing Country-Code Top-Level Domains from Public Data (2023)[Working paper › Preprint]. ArXiv.org. Sommese, R., van Rijswijk-Deij, R. & Jonker, M.https://doi.org/10.48550/arXiv.2309.01441Assessing Network Operator Actions to Enhance Digital Sovereignty and Strengthen Network Resilience: A Longitudinal Analysis during the Russia-Ukraine Conflict (2023)In 2023 IEEE European Symposium on Security and Privacy Workshops (EuroS&PW) (pp. 487-494). Article 10190662. IEEE. Haq, M. Y. M., Abhishta, A., Sommese, R., Jonker, M. & Nieuwenhuis, L. J. M.https://doi.org/10.1109/EuroSPW59978.2023.00060
Research profiles
Affiliated study programs
Courses academic year 2025/2026
Courses in the current academic year are added at the moment they are finalised in the Osiris system. Therefore it is possible that the list is not yet complete for the whole academic year.
Courses academic year 2024/2025
Address
University of Twente
Zilverling (building no. 11), room 5120
Hallenweg 19
7522 NH Enschede
Netherlands
University of Twente
Zilverling 5120
P.O. Box 217
7500 AE Enschede
Netherlands
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