Investigate - Analyze Domain Variety for Migration Decisions

Description

Analyze the variety of domains currently represented in the system to better understand the existing distribution and support upcoming migration decisions.

Requirements

- [x] Identify all relevant domains currently in use.
- [x] Determine the number of unique domains and their distribution.
- [x] Identify domains with high and low representation.
- [x] Analyze any notable patterns or concentration across domains.

Expected Outcome

A clear overview of domain variety and distribution that can be used to make informed decisions about migration scope, prioritization, and approach.