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DNS Architecture Setup Requirement for Domain Delegation

Set up a DNS server with BIND to serve your domain and your teammate's domain, with synchronized updates and delegation. Configure reverse zone for NAT, SSHFP record, logging, security, and bonus DNS hosting service with database backend.

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DNS Architecture Setup Requirement for Domain Delegation

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  1. Homework 03 DNS

  2. Architecture b.nctucs.net 140.113.b.b 192.168.2.0/24 a.nctucs.net 140.113.a.a 192.168.1.0/24 slave delegation

  3. Requirement • Setup a DNS server with BIND • Serve your own domain A • Serve your teammate B’s domain as a slave • Updates should be synchronized • Delegation • Delegate a sub-domain to your teammate B • Reverse zone for your NAT • Each IP in 192.168.x.0/24 • SSHFP record for your server • Make a reasonable setting

  4. Requirement (Cont.) • View • Create TA.{your.domain} A record • For queries from 192.168.0.0/16, answer 192.168.0.254 • Otherwise, answer your public IP • Logging • Record all records to /var/log/named.log • Do log rotate • You might be asked to explain the meaning of each log entry • Security • Only allow AXFR request from 140.113.235.0/24

  5. Bonus – DNS Hosting Service • Use database as backend • Write a simple web page for user to input their zone data • Zone files in BIND is still valid • Hint: Dynamically Loadable Zones

  6. Hand-in • Due • 5/22 • Demo • TBA

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