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12. Domains and DNS: GoDaddy, Elastic IP, A/CNAME and Subdomains

Chala mitrano, aata aapli website la ek naav deuya! http://203.0.113.10 koni lakshat thevat nahi – yourdomain.com thevtat. Aaj aapan DNS records punha nit baghu, GoDaddy var domain kasa ghyaycha, Elastic IP ka lagto, A aani CNAME records kase banvayche, aani subdomains kase banvayche he step by step karu. Security chya drushtine pan he khup mahatvacha aahe – recon madhe attackers sarvaat aadhi subdomains shodhtat. Ghabru naka, DNS disto tevdha avghad nahi.

What you will learn in this chapter

  • DNS records every engineer must know, TTL and propagation
  • Preparing the server: working site, Elastic IP and security group
  • Buying a domain on GoDaddy (the UI may vary) and pointing it to EC2
  • Optional: keeping DNS in Route 53
  • Configuring the web server for the domain and verifying DNS with dig
  • Creating subdomains for sites and backend apps

Concepts in this chapter

  1. 12.1DNS Records You Must Know
  2. 12.2Preparing the Server: Elastic IP and Security Group
  3. 12.3Buying a Domain on GoDaddy and Pointing It to EC2
  4. 12.4Optional: Keeping DNS in Route 53
  5. 12.5Configuring the Web Server for the Domain
  6. 12.6Verifying DNS with dig , nslookup and curl
  7. 12.7Subdomains

The chapter recap is at the end of the last concept page.