IP Finder

IP Finder is a dependency-free desktop DNS explorer for Windows, macOS, and Linux. Enter a hostname, IP address, or URL to find every associated IPv4 and IPv6 address.

Features

• Resolves all unique IPv4 and IPv6 addresses
• Accepts hostnames, full URLs, international domains, and literal IP addresses
• Performs reverse-DNS lookups
• Exports results as JSON or CSV
• Stores recent searches and favorites
• Includes light and dark themes
• Supports optional automatic refresh
• Tests TCP connectivity to a configurable port
• Keeps network work off the interface thread
• Uses only the Python standard library

Run

Python 3.10 or newer is required.

python IPfinder.py

Useful shortcuts:

• Enter or F5: resolve the current target
• Ctrl+L or Ctrl+K: focus the target field
• Ctrl+E: export the current results

Application state is stored in the user's application-data directory. Existing history.txt and favorites.txt files are imported automatically.

Test

python -m unittest discover -s tests -v

Project Structure

• IPfinder.py: Tkinter desktop interface and persistence
• ipfinder_core.py: parsing, DNS resolution, and TCP probing
• tests/: core behavior tests

License

See LICENSE.