The only references I found from a find in files search are the following -
In the yaf.core.csproj file-
<PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
and in the web.config file -
<assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" />
<bindingRedirect oldVersion="0.0.0.0-184.108.40.206" newVersion="220.127.116.11" />
This is really wierd. 18.104.22.168 isn't mentioned anywhere in the code and I literally nuked the entire bin folder to force the compiler to rebuild it from scratch.
Any other ideas?