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|
; 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 and a moved domain 2.
; for slightly different query pattern.
; K.ROOT-SERVERS.NET.
RANGE_BEGIN 0 500
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
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 30
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. 86400 IN NS old-ns.example.com.
SECTION ADDITIONAL
old-ns.example.com. 86400 IN A 192.168.0.1
ENTRY_END
RANGE_END
; a.gtld-servers.net. (after sale of domain)
RANGE_BEGIN 40 500
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. 86400 IN NS new-ns.example.com.
SECTION ADDITIONAL
new-ns.example.com. 86400 IN A 172.16.0.1
ENTRY_END
RANGE_END
; ns.example.com. first owner
RANGE_BEGIN 0 500
ADDRESS 192.168.0.1
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
example.com. IN NS
SECTION ANSWER
example.com. 300 IN NS old-ns.example.com.
SECTION ADDITIONAL
old-ns.example.com. 300 IN A 192.168.0.1
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 300 IN A 10.1.1.1
SECTION AUTHORITY
example.com. 300 IN NS old-ns.example.com.
SECTION ADDITIONAL
old-ns.example.com. 300 IN A 192.168.0.1
ENTRY_END
RANGE_END
; ns.example.com. new owner
RANGE_BEGIN 0 500
ADDRESS 172.16.0.1
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
example.com. IN NS
SECTION ANSWER
example.com. 86400 IN NS new-ns.example.com.
SECTION ADDITIONAL
new-ns.example.com. 86400 IN A 172.16.0.1
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
old-ns.example.com. IN A
SECTION ANSWER
old-ns.example.com. 86400 IN A 172.16.0.1
SECTION AUTHORITY
example.com. 86400 IN NS new-ns.example.com.
SECTION ADDITIONAL
new-ns.example.com. 86400 IN A 172.16.0.1
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 86400 IN A 10.2.2.2
SECTION AUTHORITY
example.com. 86400 IN NS new-ns.example.com.
SECTION ADDITIONAL
new-ns.example.com. 86400 IN A 172.16.0.1
ENTRY_END
RANGE_END
STEP 1 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END
; recursion happens here.
STEP 10 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 300 IN A 10.1.1.1
SECTION AUTHORITY
example.com. 300 IN NS old-ns.example.com.
SECTION ADDITIONAL
old-ns.example.com. 300 IN A 192.168.0.1
ENTRY_END
; after 40 secs still the cached answer
STEP 20 TIME_PASSES ELAPSE 40
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. 260 IN A 10.1.1.1
SECTION AUTHORITY
example.com. 260 IN NS old-ns.example.com.
SECTION ADDITIONAL
old-ns.example.com. 260 IN A 192.168.0.1
ENTRY_END
; after 230 we are 30 seconds before expiry, prefetch happens.
STEP 50 TIME_PASSES ELAPSE 230
STEP 60 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END
; recursion happens here.
STEP 70 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 30 IN A 10.1.1.1
SECTION AUTHORITY
example.com. 30 IN NS old-ns.example.com.
SECTION ADDITIONAL
old-ns.example.com. 30 IN A 192.168.0.1
ENTRY_END
STEP 80 TRAFFIC
; let traffic flow for prefetch to happen
; we updated from the old-ns.
STEP 90 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END
; recursion happens here.
STEP 100 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 86400 IN A 10.2.2.2
SECTION AUTHORITY
example.com. 86400 IN NS new-ns.example.com.
SECTION ADDITIONAL
new-ns.example.com. 86400 IN A 172.16.0.1
ENTRY_END
; the NS record times out after 31 seconds.
STEP 160 TIME_PASSES ELAPSE 31
; fetch it
STEP 170 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END
; recursion happens here.
STEP 180 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 86369 IN A 10.2.2.2
SECTION AUTHORITY
example.com. 86369 IN NS new-ns.example.com.
SECTION ADDITIONAL
new-ns.example.com. 86369 IN A 172.16.0.1
ENTRY_END
; a reply from cache
STEP 190 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END
; recursion happens here.
STEP 200 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NOERROR
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
www.example.com. 86369 IN A 10.2.2.2
SECTION AUTHORITY
example.com. 86369 IN NS new-ns.example.com.
SECTION ADDITIONAL
new-ns.example.com. 86369 IN A 172.16.0.1
ENTRY_END
SCENARIO_END
|
