The earliest recollection of this bug is traced back to PAN-OS 10.1.9 - December 02, 2024. This bug is fixed in PAN-OS versions 10.2.4, 10.1.9, 11.0.1. Fixed an issue where sinkholes did not occur for AWS Gateway Load Balancer dig queries. For more information: https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-9-known-and-addressed-issues/pan-os-10-1-9-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-4-known-and-addressed-issues/pan-os-10-2-4-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-0/pan-os-release-notes/pan-os-11-0-1-known-and-addressed-issues/pan-os-11-0-1-addressed-issues