The server at news.ycombinator.com can't be found, because the DNS lookup failed. DNS is the network service that translates a website's name to its Internet address. This error is most often caused by having no connection to the Internet or a misconfigured network. It can also be caused by an unresponsive DNS server or a firewall preventingGoogle Chrome from accessing the network.
Error code: DNS_PROBE_FINISHED_NXDOMAIN