fix: domains cannot be fully qualified for public suffix library

feat: implement split dns for public/private domains

fix: bug in upstream dns flag parsing

chore: much needed maintenance and dependency updates

feat: collect app name and version

build: need to set secret for tests

chore: upgrade deps

Should increase perf by +40% or so

chore: upgrade deps

chore: upgrade network lib for mtu fix

feat: use IPv6 for examples etc