IP History shows a free A/AAAA passive-DNS sample for 4f4cf5au-kos2228-aucom.0ed9ea5b-4459-48b6-b9cf-3afe39db911b.35cac4932831.i2.checkpoint.com after security verification. For complete DNS history, export and API access, open Profundis. You can also browse domains or learn more.