IP History shows a free A/AAAA passive-DNS sample for 9956e5eu-elb5642-eucom.487938bc-c8ad-4d4d-addb-876cf29c02a7.0a3cff723f38.i2.checkpoint.com after security verification. For complete DNS history, export and API access, open Profundis. You can also browse domains or learn more.