DNS server finder
To manually install namebench with Homebrew, use the following command:
Current version of namebench.app: 1.3.1
ARM: https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/namebench/namebench-1.3.1-Mac_OS_X.dmg
Intel: https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/namebench/namebench-1.3.1-Mac_OS_X.dmg
Website: https://code.google.com/archive/p/namebench/