C-Ares is used for asynchronous DNS resolution and lets us resolve names with a minimal performance impact.
If this library isn’t already installed or available as a package for your platform, you can get it at https://c-ares.haxx.se/.
C-Ares is built using vcpkg and is available at https://anonsvn.wireshark.org/wireshark-win64-libs/trunk/packages/ and https://anonsvn.wireshark.org/wireshark-win32-libs/trunk/packages/.