Block Chain and DNS: Improving Security

Contributed by Abraham Flores
DNS technology acts as the backbone of the internet but suffers from serious vulnerabilities that have been used in major attacks. These attacks include the Mirai botnet DDoS attack on DYN’s DNS services, and the BGP/DNS poisoning of Amazon’s route 53 service. By using blockchain technology as an underlying mechanism, DNS could have improved integrity and security, and using the peer-to-peer network, complete decentralization. There are already technologies providing DNS-like services using blockchain and can be looked to for an example of implementing DNS on a blockchain-based network.
 
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