Local DNS Server

The first assignment of CUHKSZ course ECE4016

How to use

1. Run the DNS server:

python LocalDNS.py  

2. Use dig to test the server:

Query example.com:

dig www.example.com @127.0.0.1 -p 1234

Query baidu.com:

dig www.baidu.com @127.0.0.1 -p 1234

3. Set the mode:

flag = 0 → use public DNS server
flag = 1 → iterative searching

4. Console output shows:

The IP of all servers passed during iterative search
Cache hits and updates