How do you get the current DNS servers for Android?

Question

I\'m trying to get hold of the addresses to the currently used DNS servers in my application, either I\'m connected thru Wifi or mobile. The DhcpInfo object should provide t

Answer 1

Following works for API 21 and above. It returns correct dns servers for both WiFi and Cellular interfaces. I've verified the values returned with shell utility 'getprop'

ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
    for (Network network : connectivityManager.getAllNetworks()) {
        NetworkInfo networkInfo = connectivityManager.getNetworkInfo(network);
        if (networkInfo.isConnected()) {
            LinkProperties linkProperties = connectivityManager.getLinkProperties(network);
            Log.d("DnsInfo", "iface = " + linkProperties.getInterfaceName());
            Log.d("DnsInfo", "dns = " + linkProperties.getDnsServers());
            return linkProperties.getDnsServers();
        }
    }