Summary

Add support for ONYPHE as a new data source for subfinder.

Motivation

ONYPHE provides a wide range of cyber threat intelligence data, including DNS resolver observations, banners, geolocation, and other open-source information.
By integrating ONYPHE’s Search API v2 (category:resolver domain:<target>), subfinder can leverage its data to enumerate additional subdomains that may not be covered by existing sources.

Proposed Implementation

• Create a new source at pkg/subscraping/sources/onyphe/.
• Use https://search.onyphe.io/api/v2/search with OQL queries like: