mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-22 10:48:02 +00:00
8f76bb7dad
Release notes at
https://www.nlnetlabs.nl/news/2023/Aug/30/unbound-1.18.0-released/
MFC after: 2 weeks
Merge commit '401770e05c71ecb5ae61a59d316069b4b78bf622' into main
242 lines
5.2 KiB
Plaintext
242 lines
5.2 KiB
Plaintext
; Check if the prefetch option works properly for messages stored in the global
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; cache for non-ECS clients. The prefetch query needs to result in an ECS
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; outgoing query based on the client's IP.
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; Prefetch initiated via serve-expired.
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server:
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trust-anchor-signaling: no
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target-fetch-policy: "0 0 0 0 0"
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send-client-subnet: 1.2.3.4
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max-client-subnet-ipv4: 21
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module-config: "subnetcache iterator"
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verbosity: 3
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access-control: 127.0.0.1 allow_snoop
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qname-minimisation: no
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minimal-responses: no
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serve-expired: yes
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serve-expired-ttl: 1
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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 prefetch option for global cache with ECS enabled (initiated via serve-expired)
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; K.ROOT-SERVERS.NET.
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RANGE_BEGIN 0 100
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ADDRESS 193.0.14.129
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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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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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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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 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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www.example.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.
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RANGE_BEGIN 0 100
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ADDRESS 192.5.6.30
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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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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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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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 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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www.example.com. IN A
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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RANGE_END
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; ns.example.com.
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RANGE_BEGIN 0 10
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ADDRESS 1.2.3.4
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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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example.com. IN NS
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SECTION ANSWER
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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; response to query of interest
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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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www.example.com. IN A
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SECTION ANSWER
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www.example.com. 10 IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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RANGE_END
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; ns.example.com.
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RANGE_BEGIN 11 100
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ADDRESS 1.2.3.4
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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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example.com. IN NS
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SECTION ANSWER
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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;; we expect to receive empty
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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; response to query of interest
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ENTRY_BEGIN
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MATCH opcode qtype qname ednsdata
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ADJUST copy_id copy_ednsdata_assume_clientsubnet
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REPLY QR 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. 10 IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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HEX_EDNSDATA_BEGIN
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; client is 127.0.0.1
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00 08 ; OPC
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00 07 ; option length
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00 01 ; Family
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15 00 ; source mask, scopemask
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7f 00 00 ; address
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HEX_EDNSDATA_END
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ns.example.com. IN A 1.2.3.4
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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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; This answer should be in the global cache (because no ECS from upstream)
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STEP 2 CHECK_ANSWER
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ENTRY_BEGIN
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MATCH all
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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. IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. IN A 1.2.3.4
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ENTRY_END
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; Try to trigger a prefetch with expired data
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STEP 3 TIME_PASSES ELAPSE 11
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STEP 11 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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; This expired record came from the global cache and a prefetch is triggered.
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STEP 12 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. 30 IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. 3589 IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. 3589 IN A 1.2.3.4
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ENTRY_END
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;STEP 13 TRAFFIC
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; Allow enough time to pass so that the expired record from the global cache
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; cannot be used anymore.
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STEP 14 TIME_PASSES ELAPSE 1
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; Query again to verify that the record was prefetched and stored in the ECS
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; cache.
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STEP 15 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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; This record came from the ECS cache.
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STEP 16 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. 9 IN A 10.20.30.40
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SECTION AUTHORITY
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example.com. 3599 IN NS ns.example.com.
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SECTION ADDITIONAL
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ns.example.com. 3599 IN A 1.2.3.4
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ENTRY_END
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SCENARIO_END
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