Try opening the URL in your browser it's working. Or use
$host good
to find the Ip address of the server
As the parent said, browsers try to fix bad domains by themselves.
> $host good to find the Ip address of the server
NXDOMAIN. if you get something else, your DNS provider is injecting something.
$ host good
Host good not found: 2(SERVFAIL)
$ host good.com
good.com has address 216.136.156.80
[...]