zakki parent
A Domain name resolved to many IP addresses is true. But Google's domain name resolved to Facebook's IP? That is very odd.
When I switch to vpn I get the right results, maybe GFW is causing the problem
That's normal for most websites blocked in China.
They usually resolve to either other blocked websites to trigger a "dangerous website phishing" warning from the browser, or the ISP's own website pretending to be a captive portal.
How about using the system's own ping command? Nping essentially calls the system's Ping command