; config options server: target-fetch-policy: "0 0 0 0 0" prefetch: "yes" stub-zone: name: "." stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET. CONFIG_END SCENARIO_BEGIN Test resolver prefetch of NS record for moved domain ; K.ROOT-SERVERS.NET. RANGE_BEGIN 0 200 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 subdomain ADJUST copy_id copy_query REPLY QR NOERROR SECTION QUESTION 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 RANGE_END ; a.gtld-servers.net. (before sale of domain) RANGE_BEGIN 0 20 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 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 1.2.3.4 ENTRY_END RANGE_END ; a.gtld-servers.net. (after sale of domain) RANGE_BEGIN 30 200 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 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 8.8.8.8 ENTRY_END RANGE_END ; ns.example.com. first owner RANGE_BEGIN 0 200 ADDRESS 1.2.3.4 ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR NOERROR SECTION QUESTION example.com. IN NS SECTION ANSWER 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 www.example.com. IN A SECTION ANSWER www.example.com. 3600 IN A 10.20.30.40 SECTION AUTHORITY example.com. 3600 IN NS ns.example.com. SECTION ADDITIONAL ns.example.com. 3600 IN A 1.2.3.4 ENTRY_END RANGE_END ; ns.example.com. new owner RANGE_BEGIN 0 200 ADDRESS 8.8.8.8 ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR NOERROR SECTION QUESTION example.com. IN NS SECTION ANSWER example.com. IN NS ns.example.com. SECTION ADDITIONAL ns.example.com. IN A 8.8.8.8 ENTRY_END ENTRY_BEGIN MATCH opcode qtype qname ADJUST copy_id REPLY QR NOERROR SECTION QUESTION www.example.com. IN A SECTION ANSWER www.example.com. 3600 IN A 88.88.88.88 SECTION AUTHORITY example.com. 3600 IN NS ns.example.com. SECTION ADDITIONAL ns.example.com. 3600 IN A 8.8.8.8 ENTRY_END RANGE_END STEP 1 QUERY ENTRY_BEGIN REPLY RD SECTION QUESTION www.example.com. IN A ENTRY_END ; recursion happens here. STEP 5 CHECK_ANSWER ENTRY_BEGIN MATCH all ttl REPLY QR RD RA NOERROR SECTION QUESTION www.example.com. IN A SECTION ANSWER www.example.com. 3600 IN A 10.20.30.40 SECTION AUTHORITY example.com. 3600 IN NS ns.example.com. SECTION ADDITIONAL ns.example.com. 3600 IN A 1.2.3.4 ENTRY_END STEP 10 QUERY ENTRY_BEGIN REPLY RD SECTION QUESTION example.com. IN NS ENTRY_END ; recursion happens here. STEP 15 CHECK_ANSWER ENTRY_BEGIN MATCH all ttl REPLY QR RD RA NOERROR SECTION QUESTION example.com. IN NS SECTION ANSWER example.com. 3600 IN NS ns.example.com. SECTION AUTHORITY SECTION ADDITIONAL ns.example.com. 3600 IN A 1.2.3.4 ENTRY_END ; after 1800 secs still the cached answer STEP 20 TIME_PASSES ELAPSE 1800 STEP 30 QUERY ENTRY_BEGIN REPLY RD SECTION QUESTION www.example.com. IN A ENTRY_END ; recursion happens here. STEP 40 CHECK_ANSWER ENTRY_BEGIN MATCH all ttl REPLY QR RD RA NOERROR SECTION QUESTION www.example.com. IN A SECTION ANSWER www.example.com. 1800 IN A 10.20.30.40 SECTION AUTHORITY example.com. 1800 IN NS ns.example.com. SECTION ADDITIONAL ns.example.com. 1800 IN A 1.2.3.4 ENTRY_END STEP 44 QUERY ENTRY_BEGIN REPLY RD SECTION QUESTION example.com. IN NS ENTRY_END ; recursion happens here. STEP 45 CHECK_ANSWER ENTRY_BEGIN MATCH all ttl REPLY QR RD RA NOERROR SECTION QUESTION example.com. IN NS SECTION ANSWER example.com. 1800 IN NS ns.example.com. SECTION AUTHORITY SECTION ADDITIONAL ns.example.com. 1800 IN A 1.2.3.4 ENTRY_END ; after 1440 we are 360 seconds before the expiry STEP 50 TIME_PASSES ELAPSE 1440 STEP 60 QUERY ENTRY_BEGIN REPLY RD SECTION QUESTION example.com. IN NS ENTRY_END ; recursion happens here. STEP 70 CHECK_ANSWER ENTRY_BEGIN MATCH all ttl REPLY QR RD RA NOERROR SECTION QUESTION example.com. IN NS SECTION ANSWER example.com. 360 IN NS ns.example.com. SECTION AUTHORITY SECTION ADDITIONAL ns.example.com. 360 IN A 1.2.3.4 ENTRY_END STEP 80 TRAFFIC ; let traffic flow for prefetch to happen ; check result of that prefetch STEP 90 QUERY ENTRY_BEGIN REPLY RD SECTION QUESTION example.com. IN NS ENTRY_END ; recursion happens here. ; because the prefetch+current makes old-NS expired, new delegation is picked up STEP 91 CHECK_ANSWER ENTRY_BEGIN MATCH all ttl REPLY QR RD RA NOERROR SECTION QUESTION example.com. IN NS SECTION ANSWER example.com. 3600 IN NS ns.example.com. SECTION AUTHORITY SECTION ADDITIONAL ns.example.com. 3600 IN A 8.8.8.8 ENTRY_END STEP 100 TIME_PASSES ELAPSE 2360 STEP 120 QUERY ENTRY_BEGIN REPLY RD SECTION QUESTION www.example.com. IN A ENTRY_END ; recursion happens here. STEP 130 CHECK_ANSWER ENTRY_BEGIN MATCH all ttl REPLY QR RD RA NOERROR SECTION QUESTION www.example.com. IN A SECTION ANSWER www.example.com. 3600 IN A 88.88.88.88 SECTION AUTHORITY example.com. 1240 IN NS ns.example.com. SECTION ADDITIONAL ns.example.com. 1240 IN A 8.8.8.8 ENTRY_END SCENARIO_END