1. Mutualized oblivious DNS (μODNS): Hiding a tree in the wild forest;Kurihara,2021
2. DNSCurve;Bernstein,2009
3. DNSCrypt (project web page);Denis,2015
4. Specification for DNS over transport layer security (TLS);Hu,2016
5. DNS queries over HTTPS (DoH);Hoffman,2018