Add OpenINTEL DNS dependency crawler

[m-appel]

Integrate with existing files and remove some unnecessary stuff.

Still needs README

How Has This Been Tested?

Run of all crawlers.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.