Ning Hu1, Shi Yin1, Shen Su1, *, Xudong Jia1, Qiao Xiang2, Hao Liu3
CMC-Computers, Materials & Continua, Vol.65, No.2, pp. 1531-1557, 2020, DOI:10.32604/cmc.2020.010949
Abstract The domain name system (DNS) provides a mapping service between
memorable names and numerical internet protocol addresses, and it is a critical
infrastructure of the Internet. The authenticity of DNS resolution results is crucial for
ensuring the accessibility of Internet services. Hundreds of supplementary specifications
of protocols have been proposed to compensate for the security flaws of DNS. However,
DNS security incidents still occur frequently. Although DNS is a distributed system, for a
specified domain name, only authorized authoritative servers can resolve it. Other servers
must obtain the resolution result through a recursive or iterative resolving procedure,
which renders DNS… More >
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