Architecture

1. Parser
   Reads logs and extracts relevant entries.

2. State Manager
   Tracks last processed line for incremental updates.

3. DNS Resolver
   Performs reverse DNS lookups with LRU caching.

4. IpInfo
   Perform look up IP address information, such as country, ASN and ASO

5. Reporter
   Builds and sends the daily email report.

Each component is decoupled for easy testing and extension.