http://magma.ua4vjlx72wv5crhkificaeysp62hizhazipfshsdvs6jxqvhtkpllcad.onion/guide/osint-sources.html
SecurityTrails - Historical DNS data. Shodan - OSINT search engine of
Internet connected devices. Talos IP and domain reputation lookup. ThreatCrowd - OSINT data aggregation by
AlienVault OTX, VirusTotal, Malwr and others.