Disable consistent-backends pdns setting for geo records

Author: MorningLightMountain713

templates/pdns.conf.j2

@@ -18,6 +18,11 @@ geoip-database-files=mmdb:/usr/share/GeoIP/GeoLite2-City.mmdb;mode=mmap;language
 # EDNS Client Subnet for better geo-location accuracy
 edns-subnet-processing=yes
 
+# Disable consistent-backends for location-based records
+# When enabled, PowerDNS uses ANY queries which cannot be cached correctly
+# for geo-routing responses with non-zero ECS scope
+consistent-backends=no
+
 # Performance and caching settings
 cache-ttl=60
 negquery-cache-ttl=60