Ravi Sir's Cards › AWS
dig in 4 steps
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
Why do we need it?
Check DNS.
What is it?
+short for just the answer.
How to do it
@server to ask another DNS.
Example
Mail servers.
dig +short MX example.com