Do:
Run Powershell
Then at the command prompt:
Resolve-DNSName amazon.com
What do you get? It should return IP's like these:
Name Type TTL Section IPAddress
---- ---- --- ------- ---------
amazon.com A 32 Answer 54.239.17.6
amazon.com A 32 Answer 54.239.26.128
amazon.com A 32 Answer 54.239.17.7
amazon.com A 32 Answer 54.239.25.200
amazon.com A 32 Answer 54.239.25.208
amazon.com A 32 Answer 54.239.25.192