IP History shows a free A/AAAA passive-DNS sample for cd61e3au-kos2228-aucom.a0d17b5b-b0ee-4562-a963-b25d6fb67015.dae8c0de918d.i2.checkpoint.com after security verification. For complete DNS history, export and API access, open Profundis. You can also browse domains or learn more.