qname-minimisation: "no"
module-config: "dns64 validator iterator"
dns64-prefix: 64:ff9b::0/96
+ dns64-ignore-aaaa: ip6ignore.example.com
+ dns64-ignore-aaaa: ip6only.example.com
minimal-responses: no
stub-zone:
; normal A lookup should still succeed
; AAAA is synthesized if not present.
; AAAA if present, is passed through unchanged.
+; AAAA if present (but configured to be ignored) but no A, AAAA is passed through unchanged.
; K.ROOT-SERVERS.NET.
RANGE_BEGIN 0 200
ns.example.com. IN A 1.2.3.4
ENTRY_END
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR NOERROR
+SECTION QUESTION
+ip6ignore.example.com. IN AAAA
+SECTION ANSWER
+ip6ignore.example.com. IN AAAA 1:2:3::4
+SECTION AUTHORITY
+example.com. IN NS ns.example.com.
+SECTION ADDITIONAL
+ns.example.com. IN A 1.2.3.4
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR NOERROR
+SECTION QUESTION
+ip6ignore.example.com. IN A
+SECTION ANSWER
+ip6ignore.example.com. IN A 5.6.7.8
+SECTION AUTHORITY
+example.com. IN NS ns.example.com.
+SECTION ADDITIONAL
+ns.example.com. IN A 1.2.3.4
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR NOERROR
+SECTION QUESTION
+ip6only.example.com. IN AAAA
+SECTION ANSWER
+ip6only.example.com. IN AAAA 1:2:3::4
+SECTION AUTHORITY
+example.com. IN NS ns.example.com.
+SECTION ADDITIONAL
+ns.example.com. IN A 1.2.3.4
+ENTRY_END
+
+ENTRY_BEGIN
+MATCH opcode qtype qname
+ADJUST copy_id
+REPLY QR NOERROR
+SECTION QUESTION
+ip6only.example.com. IN A
+SECTION ANSWER
+; NO A present
+SECTION AUTHORITY
+example.com. IN SOA a. b. 1 2 3 4 5
+ENTRY_END
+
+
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
7.6.5.in-addr.arpa. IN NS ns.example.com.
ENTRY_END
+; ignore AAAA and synthesize from A record 5.6.7.8
+STEP 80 QUERY
+ENTRY_BEGIN
+REPLY RD
+SECTION QUESTION
+ip6ignore.example.com. IN AAAA
+ENTRY_END
+
+; recursion happens here.
+STEP 90 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all
+REPLY QR RD RA NOERROR
+SECTION QUESTION
+ip6ignore.example.com. IN AAAA
+SECTION ANSWER
+ip6ignore.example.com. IN AAAA 64:ff9b::506:708
+SECTION AUTHORITY
+example.com. IN NS ns.example.com.
+SECTION ADDITIONAL
+ns.example.com. IN A 1.2.3.4
+ENTRY_END
+
+; try to ignore AAAA but no A record to synthesize, fallback to AAAA
+STEP 100 QUERY
+ENTRY_BEGIN
+REPLY RD
+SECTION QUESTION
+ip6only.example.com. IN AAAA
+ENTRY_END
+
+; recursion happens here.
+STEP 110 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all
+REPLY QR RD RA NOERROR
+SECTION QUESTION
+ip6only.example.com. IN AAAA
+SECTION ANSWER
+ip6only.example.com. IN AAAA 1:2:3::4
+SECTION AUTHORITY
+example.com. IN NS ns.example.com.
+SECTION ADDITIONAL
+ns.example.com. IN A 1.2.3.4
+ENTRY_END
+
SCENARIO_END