https://s3-us-west-2.amazonaws.com/secure.notion-static.com/5827bbdc-5cd6-4737-9009-2a0cf6eaecdf/Untitled.png

[IP주소와 hosts]

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/9f8bdb0c-d778-4100-8b4e-0e779acef27b/Untitled.png

[도메인 이름과 보안]

[DNS의 태동]

[DNS 원리]

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/52dad0b1-1a30-4845-9cfa-85f5ca6a144b/Untitled.png