Our paper submitted to The 2021 IEEE Global Communications Conference (GLOBECOM 2021) .

M. Yajima, D. Chiba, Y. Yoneya, and T. Mori, “Measuring Adoption of DNS Security Mechanisms with Cross-Sectional Approach,” IEEE Global Communications Conference: Communication & InformationSystems Security (Globecom 2021 CISS), Madrid, Spain December 2021. (to appear)