Publications

Investigating Deployment Issues of DNS Root Server Instances from a China-wide View

Abstract DNS root servers are the starting point of most DNS queries. To ensure their security and stability, multiple anycast instances are operated worldwide, and new root instances have been rapidly deployed in recent years.

Fenglu Zhang, B. Liu, C. Lu, Y. Xing, Et Al.

Silence is not Golden: Disrupting the Load Balancing of Authoritative DNS Servers

Abstract Authoritative nameservers are delegated to provide the final resource record. Since the security and robustness of DNS are critical to the general operation of the Internet, domain name owners are required to deploy multiple candidate nameservers for traffic load balancing.

Fenglu Zhang, B. Liu, E. Alowaisheq, J. Chen, Et Al.

Wolf in Sheep's Clothing: Evaluating Security Risks of the Undelegated Record on DNS Hosting Services

Abstract Leveraging DNS for covert communications is appealing since most networks allow DNS traffic, especially the ones directed toward renowned DNS hosting services. Unfortunately, most DNS hosting services overlook domain ownership verification, enabling miscreants to host undelegated DNS records of a domain they do not own.

Fenglu Zhang, Y. Zhang, B. Liu, E. Alowaisheq, Et Al.

Measuring the Practical Effect of DNS Root Server Instances: A China-Wide Case Study

Abstract DNS root servers are deployed using multiple globally distributed anycast instances, and the scale of instances across the globe has been rapidly growing. This paper presents a measurement study that investigates the practical effect of root server instances deployed in the Chinese mainland.

Fenglu Zhang, C. Lu, B. Liu, H. Duan, Et Al.

From WHOIS to WHOWAS: A Large-Scale Measurement Study of Domain Registration Privacy under the GDPR

Abstract When a domain is registered, information about the registrants and other related personnel is recorded by WHOIS databases owned by registrars or registries (called WHOIS providers jointly), which are open to public inquiries.

C. Lu, B. Liu, Y. Zhang, Z. Li, Fenglu Zhang, Et Al.