DNS

Buying domain in any DNS provider ex. godaddy
EX. Godaddy -> ‘Use my domain’ -> CLICK on “DNS” (don’t go to host website or anything else)
Create EC2 public domain ( Route 53)

TERMS

• Name Server (NS record) : Who owns the domain? (if this changes, the whole set of configurations of A record, C Name etc changes)
• A record , AAAA record : domain — IP
• C Name (alias) : domain — another nick name
• MX record : Mail server
• TXT record : text record, to verify who owns the domain

Adding A record (
https://sg.godaddy.com/help/add-an-a-record-19238

## Letsencrypt ( with certbot )
$ wget https://dl.eff.org/certbot-auto
$ chmod a+x certbot-auto

cf) if they don’t recognize your OS (change redhat to AWS Linux)
https://medium.com/@andrenakkurt/great-guide-thanks-for-putting-this-together-gifford-nowland-c3ce0ea2455