; config options server: target-fetch-policy: "0 0 0 0 0" qname-minimisation: "no" stub-zone: name: "." stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET. CONFIG_END SCENARIO_BEGIN Test resolution with dependency cycle ; query for ns.example.com, needs ns.example.net, needs ns.example.com. ; K.ROOT-SERVERS.NET. RANGE_BEGIN 0 100 ADDRESS 193.0.14.129 ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR 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 NOERROR SECTION QUESTION ns.example.com. IN A SECTION AUTHORITY com. IN NS a.gtld-servers.net. SECTION ADDITIONAL a.gtld-servers.net. IN A 192.5.6.30 ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR NOERROR SECTION QUESTION ns.example.com. IN AAAA SECTION AUTHORITY com. IN NS a.gtld-servers.net. SECTION ADDITIONAL a.gtld-servers.net. IN A 192.5.6.30 ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR NOERROR SECTION QUESTION ns.example.net. IN A SECTION AUTHORITY net. IN NS e.gtld-servers.net. SECTION ADDITIONAL e.gtld-servers.net. IN A 192.12.94.30 ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR NOERROR SECTION QUESTION ns.example.net. IN AAAA SECTION AUTHORITY net. IN NS e.gtld-servers.net. SECTION ADDITIONAL e.gtld-servers.net. IN A 192.12.94.30 ENTRY_END RANGE_END ; a.gtld-servers.net. RANGE_BEGIN 0 100 ADDRESS 192.5.6.30 ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR NOERROR SECTION QUESTION com. IN NS SECTION ANSWER com. IN NS a.gtld-servers.net. SECTION ADDITIONAL a.gtld-servers.net. IN A 192.5.6.30 ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR NOERROR SECTION QUESTION ns.example.com. IN A SECTION AUTHORITY example.com. IN NS ns.example.net. SECTION ADDITIONAL ; note this will be scrubbed off ns.example.net. IN A 1.2.3.1 ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR NOERROR SECTION QUESTION ns.example.com. IN AAAA SECTION AUTHORITY example.com. IN NS ns.example.net. SECTION ADDITIONAL ; note this will be scrubbed off ns.example.net. IN A 1.2.3.1 ENTRY_END RANGE_END ; e.gtld-servers.net. RANGE_BEGIN 0 100 ADDRESS 192.12.94.30 ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR NOERROR SECTION QUESTION net. IN NS SECTION ANSWER net. IN NS e.gtld-servers.net. SECTION ADDITIONAL e.gtld-servers.net. IN A 192.12.94.30 ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR NOERROR SECTION QUESTION ns.example.net. IN A SECTION AUTHORITY example.net. IN NS ns.example.com. SECTION ADDITIONAL ; note this will be scrubbed off ns.example.com. IN A 1.2.3.2 ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR NOERROR SECTION QUESTION ns.example.net. IN AAAA SECTION AUTHORITY example.net. IN NS ns.example.com. SECTION ADDITIONAL ; note this will be scrubbed off ns.example.com. IN A 1.2.3.2 ENTRY_END RANGE_END STEP 1 QUERY ENTRY_BEGIN REPLY RD SECTION QUESTION ns.example.com. IN A ENTRY_END ; recursion happens here. ; cycle detected and it fails. STEP 20 CHECK_ANSWER ENTRY_BEGIN MATCH all REPLY QR RD RA SERVFAIL SECTION QUESTION ns.example.com. IN A ENTRY_END SCENARIO_END