iTXTech Daedalus is a free Android application that allows users to modify their DNS settings without requiring root access. It offers a VPN tunnel to modify DNS settings and is fully functional even under data connections. Additionally, it features a tester for DNS servers, IPv6 support (including rules), custom DNS server, custom hosts and DNSMasq configuration, and extreme low power consumption. The application has a material design and supports multiple DNS query methods, including UDP, TCP, DNS over TLS (RFC7858), DNS over HTTPS (RFC8484), and DNS over HTTPS (Google JSON). Daedalus is a great tool for users looking to modify their DNS settings and comes with open-source licenses, including ClearEditText by Yuan Fu, DNS66 by Julian Andres Klode, Pcap4J by Kaito Yamada, MiniDNS by Rene Treffer, Gson by Google, and Shadowsocks by Shadowsocks. However, users must comply with local laws and regulations.