server: target-fetch-policy: "0 0 0 0 0" access-control: 0.0.0.0/0 allow send-client-subnet: 5.0.15.10 max-client-subnet-ipv4: 24 verbosity: 3 module-config: "dns64 subnetcache iterator" qname-minimisation: no minimal-responses: yes dns64-prefix: 64:ff9b::0/96 stub-zone: name: "." stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET. CONFIG_END SCENARIO_BEGIN Subnet with DNS64 lookup RANGE_BEGIN 0 100 ADDRESS 193.0.14.129 ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR AA NOERROR SECTION QUESTION . IN NS SECTION ANSWER . IN NS K.ROOT-SERVERS.NET. SECTION ADDITIONAL K.ROOT-SERVERS.NET. IN A 193.0.14.129 ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR AA NOERROR SECTION QUESTION a.gtld-servers.net. IN AAAA SECTION AUTHORITY net. IN SOA ns.example.com. root.example.com. 4 14400 3600 604800 3600 SECTION ADDITIONAL ENTRY_END ENTRY_BEGIN MATCH opcode subdomain ADJUST copy_id copy_query REPLY QR NOERROR SECTION QUESTION com. IN NS SECTION AUTHORITY com. IN NS a.gtld-servers.net. SECTION ADDITIONAL a.gtld-servers.net. IN A 192.5.6.30 ENTRY_END RANGE_END RANGE_BEGIN 0 100 ADDRESS 192.5.6.30 ENTRY_BEGIN MATCH opcode subdomain ADJUST copy_id copy_query REPLY QR NOERROR SECTION QUESTION example.com. IN A SECTION AUTHORITY example.com. IN NS ns.example.com. SECTION ADDITIONAL ns.example.com. IN A 5.0.15.10 ENTRY_END RANGE_END RANGE_BEGIN 0 100 ADDRESS 5.0.15.10 ENTRY_BEGIN MATCH opcode qtype qname ednsdata ADJUST copy_id REPLY QR AA NOERROR SECTION QUESTION example.com. IN NS SECTION ANSWER example.com. IN NS ns.example.com. SECTION ADDITIONAL HEX_EDNSDATA_BEGIN ;; we expect to receive empty HEX_EDNSDATA_END ns.example.com. IN A 5.0.15.10 ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ednsdata ADJUST copy_id REPLY QR AA NOERROR SECTION QUESTION ns.example.com. IN AAAA SECTION ANSWER SECTION AUTHORITY example.com. IN SOA ns.example.com. root.example.com. 4 14400 3600 604800 3600 SECTION ADDITIONAL HEX_EDNSDATA_BEGIN ;; we expect to receive empty HEX_EDNSDATA_END ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ednsdata ADJUST copy_id copy_query copy_ednsdata_assume_clientsubnet REPLY QR AA NOERROR SECTION QUESTION www.example.com. IN A SECTION ANSWER www.example.com. IN A 4.3.0.3 SECTION ADDITIONAL HEX_EDNSDATA_BEGIN ; client is 10.0.3.0 00 08 ; OPC 00 07 ; option length 00 01 ; Family 18 00 ; source mask, scopemask 0a 00 03 ; address HEX_EDNSDATA_END ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ednsdata ADJUST copy_id copy_query copy_ednsdata_assume_clientsubnet REPLY QR AA NOERROR SECTION QUESTION www.example.com. IN A SECTION ANSWER www.example.com. IN A 4.3.0.4 SECTION ADDITIONAL HEX_EDNSDATA_BEGIN ; client is 10.0.4.0 00 08 ; OPC 00 07 ; option length 00 01 ; Family 18 00 ; source mask, scopemask 0a 00 04 ; address HEX_EDNSDATA_END ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ednsdata ADJUST copy_id copy_query copy_ednsdata_assume_clientsubnet REPLY QR AA NOERROR SECTION QUESTION www.example.com. IN AAAA SECTION ANSWER www.example.com. IN AAAA 2001:db8::3 SECTION ADDITIONAL HEX_EDNSDATA_BEGIN ; client is 10.0.3.0 00 08 ; OPC 00 07 ; option length 00 01 ; Family 18 00 ; source mask, scopemask 0a 00 03 ; address HEX_EDNSDATA_END ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ednsdata ADJUST copy_id copy_query copy_ednsdata_assume_clientsubnet REPLY QR AA NOERROR SECTION QUESTION www.example.com. IN AAAA SECTION ANSWER www.example.com. IN AAAA 2001:db8::4 SECTION ADDITIONAL HEX_EDNSDATA_BEGIN ; client is 10.0.4.0 00 08 ; OPC 00 07 ; option length 00 01 ; Family 18 00 ; source mask, scopemask 0a 00 04 ; address HEX_EDNSDATA_END ENTRY_END RANGE_END STEP 1 QUERY ADDRESS 10.0.3.1 ENTRY_BEGIN REPLY RD SECTION QUESTION www.example.com. IN AAAA ENTRY_END STEP 2 CHECK_ANSWER ENTRY_BEGIN MATCH all REPLY QR RD RA NOERROR SECTION QUESTION www.example.com. IN AAAA SECTION ANSWER ;www.example.com. IN A 4.3.0.3 www.example.com. IN AAAA 2001:db8::3 SECTION AUTHORITY SECTION ADDITIONAL ENTRY_END STEP 10 QUERY ADDRESS 10.0.4.1 ENTRY_BEGIN REPLY RD SECTION QUESTION www.example.com. IN AAAA ENTRY_END STEP 11 CHECK_ANSWER ENTRY_BEGIN MATCH all REPLY QR RD RA NOERROR SECTION QUESTION www.example.com. IN AAAA SECTION ANSWER ;www.example.com. IN A 4.3.0.4 www.example.com. IN AAAA 2001:db8::4 SECTION AUTHORITY SECTION ADDITIONAL ENTRY_END SCENARIO_END