AndroDNS — Open Source Firewall App

This DNS client allows you to perform customized DNS queries directly from your mobile phone. In contrast to most other DNS clients, it does not impose restrictions on what you can query. Features: * Select recursive or authoritative server to query (default: system resolver) * Specify any question type (not just the most common A/AAAA/MX ....), you can even enter the type ID for new/experimental question types * Supports IN/CH/HS query class * Set question flags * DNSSEC aware (request / show RRSIGs ) - but it does not validate