iter_prefetch_change.rpl   [plain text]

; 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
; for bug #425.

; 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.	86400 IN NS	old-ns.example.com.
SECTION ADDITIONAL
old-ns.example.com.		86400 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. 3600 IN A	10.1.1.1
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

; 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. 3600 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.	3600 IN A	10.1.1.1
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

; 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	10.1.1.1
SECTION AUTHORITY
example.com.		84600 IN NS	old-ns.example.com.
SECTION ADDITIONAL
old-ns.example.com.	84600 IN A	192.168.0.1
ENTRY_END

; after 1440 we are 360 seconds before the expiry
; but it still contacts the old-ns
STEP 50 TIME_PASSES ELAPSE 1440

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.	360 IN A	10.1.1.1
SECTION AUTHORITY
example.com.		83160 IN NS	old-ns.example.com.
SECTION ADDITIONAL
old-ns.example.com.	83160 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.	3600 IN A	10.1.1.1
SECTION AUTHORITY
example.com.		83160 IN NS	old-ns.example.com.
SECTION ADDITIONAL
old-ns.example.com.	83160 IN A	192.168.0.1
ENTRY_END

; the NS record is now 10% from expiry (8640 TTL left).
; and the A record has expired completely, retry.
STEP 110 TIME_PASSES ELAPSE 74520

; the NS record should have timed out.
; but you see the full TTL here, this is only for *this query*
; in the cache itself its 8640, not 86400.
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	10.1.1.1
SECTION AUTHORITY
example.com.		8640 IN NS	old-ns.example.com.
SECTION ADDITIONAL
old-ns.example.com.	8640 IN A	192.168.0.1
ENTRY_END

; get it from cache
STEP 140 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END
; recursion happens here.
STEP 150 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	10.1.1.1
SECTION AUTHORITY
example.com.		8640 IN NS	old-ns.example.com.
SECTION ADDITIONAL
old-ns.example.com.	8640 IN A	192.168.0.1
ENTRY_END

; the NS record times out after 8640 seconds.
STEP 160 TIME_PASSES ELAPSE 8641

; 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.	3600 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

; 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.	3600 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

SCENARIO_END