It sounds like a stupid question but…
If I had a domain such as
example.com, could I set the IP address of
Are there any side effects I should know of? E.G. would it not try to connect to myself? Would it also upset the main site (
Yes, you can do this, and some people do.
For quite a while there was a running joke where, when someone asked for illegal software, they would be sent to warez.example.com – which had been set up in DNS to point to 127.0.0.1. Hilarity ensues when the person comes back and says something like he had all that software already.
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