IP History shows a free A/AAAA passive-DNS sample for 9d1a57eu-elb5642-eucom.befec129-b58b-43c2-b48e-68c8abdfa1e2.29df650f239e.i2.checkpoint.com after security verification. For complete DNS history, export and API access, open Profundis. You can also browse domains or learn more.