The earliest recollection of this bug is traced back to PAN-OS 10.1.12 - November 18, 2024. This bug is fixed in PAN-OS versions 10.2.8, 10.1.12, 11.0.4. Fixed an issue where the DNS proxy log included an excessive number of the follwing error message: Warning: pan_dnsproxy_log_resolve_fail: Failed to resolve domain name ** AAAA after trying all attempts to name servers Fixed an issue where the DNS proxy log included an excessive number of the following error message: Warning: pan_dnsproxy_log_resolve_fail: Failed to resolve domain name ** AAAA after trying all attempts to name servers For more information: https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-12-known-and-addressed-issues/pan-os-10-1-12-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-8-known-and-addressed-issues/pan-os-10-2-8-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-0/pan-os-release-notes/pan-os-11-0-4-known-and-addressed-issues/pan-os-11-0-4-addressed-issues