access-list INSIDE_IN extended permit tcp object-group DNS-CLIENT object-group DNS-SERVER object-group DNS_TCP
object-group network DNS-CLIENT
 group-object PC1_1st
 group-object PC2_1st
object-group network PC1_1st
 network-object host 10.1.1.11
object-group network PC2_1st
 network-object host 10.1.1.12
object-group network DNS-SERVER
 network-object host 10.1.1.5
object-group service DNS_TCP tcp
 port-object eq domain

access-list INSIDE_IN extended permit udp object-group DNS-CLIENT object-group DNS-SERVER object-group DNS_UDP
object-group network DNS-CLIENT
 group-object PC1_1st
 group-object PC2_1st
object-group network PC1_1st
 network-object host 10.1.1.11
object-group network PC2_1st
 network-object host 10.1.1.12
object-group network DNS-SERVER
 network-object host 10.1.1.5
object-group service DNS_UDP udp
 port-object eq domain