25fbc19b64
that would be permissible by the RFCs but it is not the TTL in the cache. git-svn-id: https://unbound.nlnetlabs.nl/svn/trunk@2581 be551aaa-1e26-0410-a405-d3ace91eadb9
365 lines
7.2 KiB
Plaintext
365 lines
7.2 KiB
Plaintext
; config options
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server:
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target-fetch-policy: "0 0 0 0 0"
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prefetch: "yes"
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stub-zone:
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name: "."
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stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
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CONFIG_END
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SCENARIO_BEGIN Test resolver prefetch and a moved domain
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; for bug #425.
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; K.ROOT-SERVERS.NET.
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RANGE_BEGIN 0 500
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ADDRESS 193.0.14.129
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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. IN NS
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SECTION ANSWER
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. IN NS K.ROOT-SERVERS.NET.
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SECTION ADDITIONAL
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K.ROOT-SERVERS.NET. IN A 193.0.14.129
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode subdomain
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ADJUST copy_id copy_query
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REPLY QR NOERROR
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SECTION QUESTION
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com. IN A
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SECTION AUTHORITY
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com. IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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a.gtld-servers.net. IN A 192.5.6.30
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ENTRY_END
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RANGE_END
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; a.gtld-servers.net. (before sale of domain)
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RANGE_BEGIN 0 30
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ADDRESS 192.5.6.30
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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com. IN NS
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SECTION ANSWER
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com. IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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a.gtld-servers.net. IN A 192.5.6.30
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode subdomain
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ADJUST copy_id copy_query
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN A
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SECTION AUTHORITY
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example.com. 86400 IN NS old-ns.example.com.
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SECTION ADDITIONAL
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old-ns.example.com. 86400 IN A 192.168.0.1
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ENTRY_END
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RANGE_END
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; a.gtld-servers.net. (after sale of domain)
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RANGE_BEGIN 40 500
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ADDRESS 192.5.6.30
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR NOERROR
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SECTION QUESTION
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com. IN NS
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SECTION ANSWER
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com. IN NS a.gtld-servers.net.
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SECTION ADDITIONAL
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a.gtld-servers.net. IN A 192.5.6.30
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode subdomain
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ADJUST copy_id copy_query
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REPLY QR NOERROR
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SECTION QUESTION
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example.com. IN A
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SECTION AUTHORITY
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example.com. 86400 IN NS new-ns.example.com.
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SECTION ADDITIONAL
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new-ns.example.com. 86400 IN A 172.16.0.1
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ENTRY_END
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RANGE_END
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; ns.example.com. first owner
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RANGE_BEGIN 0 500
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ADDRESS 192.168.0.1
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR AA NOERROR
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SECTION QUESTION
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example.com. IN NS
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SECTION ANSWER
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example.com. 86400 IN NS old-ns.example.com.
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SECTION ADDITIONAL
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old-ns.example.com. 86400 IN A 192.168.0.1
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR AA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 3600 IN A 10.1.1.1
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SECTION AUTHORITY
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example.com. 86400 IN NS old-ns.example.com.
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SECTION ADDITIONAL
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old-ns.example.com. 86400 IN A 192.168.0.1
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ENTRY_END
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RANGE_END
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; ns.example.com. new owner
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RANGE_BEGIN 0 500
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ADDRESS 172.16.0.1
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR AA NOERROR
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SECTION QUESTION
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example.com. IN NS
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SECTION ANSWER
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example.com. 86400 IN NS new-ns.example.com.
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SECTION ADDITIONAL
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new-ns.example.com. 86400 IN A 172.16.0.1
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR AA NOERROR
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SECTION QUESTION
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old-ns.example.com. IN A
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SECTION ANSWER
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old-ns.example.com. 86400 IN A 172.16.0.1
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SECTION AUTHORITY
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example.com. 86400 IN NS new-ns.example.com.
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SECTION ADDITIONAL
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new-ns.example.com. 86400 IN A 172.16.0.1
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ENTRY_END
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ENTRY_BEGIN
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MATCH opcode qtype qname
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ADJUST copy_id
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REPLY QR AA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 3600 IN A 10.2.2.2
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SECTION AUTHORITY
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example.com. 86400 IN NS new-ns.example.com.
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SECTION ADDITIONAL
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new-ns.example.com. 86400 IN A 172.16.0.1
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ENTRY_END
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RANGE_END
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STEP 1 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; recursion happens here.
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STEP 10 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 3600 IN A 10.1.1.1
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SECTION AUTHORITY
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example.com. 86400 IN NS old-ns.example.com.
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SECTION ADDITIONAL
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old-ns.example.com. 86400 IN A 192.168.0.1
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ENTRY_END
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; after 1800 secs still the cached answer
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STEP 20 TIME_PASSES ELAPSE 1800
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STEP 30 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; recursion happens here.
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STEP 40 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 1800 IN A 10.1.1.1
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SECTION AUTHORITY
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example.com. 84600 IN NS old-ns.example.com.
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SECTION ADDITIONAL
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old-ns.example.com. 84600 IN A 192.168.0.1
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ENTRY_END
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; after 1440 we are 360 seconds before the expiry
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; but it still contacts the old-ns
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STEP 50 TIME_PASSES ELAPSE 1440
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STEP 60 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; recursion happens here.
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STEP 70 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 360 IN A 10.1.1.1
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SECTION AUTHORITY
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example.com. 83160 IN NS old-ns.example.com.
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SECTION ADDITIONAL
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old-ns.example.com. 83160 IN A 192.168.0.1
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ENTRY_END
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STEP 80 TRAFFIC
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; let traffic flow for prefetch to happen
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; we updated from the old-ns.
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STEP 90 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; recursion happens here.
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STEP 100 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 3600 IN A 10.1.1.1
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SECTION AUTHORITY
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example.com. 83160 IN NS old-ns.example.com.
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SECTION ADDITIONAL
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old-ns.example.com. 83160 IN A 192.168.0.1
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ENTRY_END
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; the NS record is now 10% from expiry (8640 TTL left).
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; and the A record has expired completely, retry.
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STEP 110 TIME_PASSES ELAPSE 74520
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; the NS record should have timed out.
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; but you see the full TTL here, this is only for *this query*
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; in the cache itself its 8640, not 86400.
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STEP 120 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; recursion happens here.
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STEP 130 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 3600 IN A 10.1.1.1
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SECTION AUTHORITY
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example.com. 8640 IN NS old-ns.example.com.
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SECTION ADDITIONAL
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old-ns.example.com. 8640 IN A 192.168.0.1
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ENTRY_END
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; get it from cache
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STEP 140 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; recursion happens here.
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STEP 150 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 3600 IN A 10.1.1.1
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SECTION AUTHORITY
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example.com. 8640 IN NS old-ns.example.com.
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SECTION ADDITIONAL
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old-ns.example.com. 8640 IN A 192.168.0.1
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ENTRY_END
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; the NS record times out after 8640 seconds.
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STEP 160 TIME_PASSES ELAPSE 8641
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; fetch it
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STEP 170 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; recursion happens here.
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STEP 180 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 3600 IN A 10.2.2.2
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SECTION AUTHORITY
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example.com. 86400 IN NS new-ns.example.com.
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SECTION ADDITIONAL
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new-ns.example.com. 86400 IN A 172.16.0.1
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ENTRY_END
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; a reply from cache
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STEP 190 QUERY
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ENTRY_BEGIN
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REPLY RD
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SECTION QUESTION
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www.example.com. IN A
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ENTRY_END
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; recursion happens here.
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STEP 200 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all ttl
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REPLY QR RD RA NOERROR
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SECTION QUESTION
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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 3600 IN A 10.2.2.2
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SECTION AUTHORITY
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example.com. 86400 IN NS new-ns.example.com.
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SECTION ADDITIONAL
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new-ns.example.com. 86400 IN A 172.16.0.1
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ENTRY_END
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SCENARIO_END
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