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|
; config options
server:
target-fetch-policy: "0 0 0 0 0"
stub-zone:
name: "."
stub-addr: 193.0.14.129 # K.ROOT-SERVERS.NET.
CONFIG_END
SCENARIO_BEGIN Test resolver with a domain sale and NS changes
; and the old operator is nasty, keeps running his server with the old data.
; and lots of lookups keep going towards the domain.
; and the old server is changing the NS record of the old domain.
; K.ROOT-SERVERS.NET.
RANGE_BEGIN 0 100
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 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 30
ADDRESS 1.2.3.4
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA 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 qname
ADJUST copy_id copy_query
REPLY QR AA 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
; nxdomains for any name,type
; last in RANGE so that it matches everything left over.
; it includes the NS record.
ENTRY_BEGIN
MATCH opcode
ADJUST copy_id copy_query
REPLY QR AA NXDOMAIN
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
example.com. 3600 IN SOA a. b. 1 2 3 4 5
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. first owner, NS changed
RANGE_BEGIN 40 200
ADDRESS 1.2.3.4
ENTRY_BEGIN
MATCH opcode qtype qname
ADJUST copy_id
REPLY QR AA NOERROR
SECTION QUESTION
example.com. IN NS
SECTION ANSWER
example.com. IN NS nsb.example.com.
SECTION ADDITIONAL
nsb.example.com. IN A 1.2.3.4
ENTRY_END
ENTRY_BEGIN
MATCH opcode qname
ADJUST copy_id copy_query
REPLY QR AA 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 nsb.example.com.
SECTION ADDITIONAL
nsb.example.com. 3600 IN A 1.2.3.4
ENTRY_END
; nxdomains for any name,type
; last in RANGE so that it matches everything left over.
; it includes the NS record.
ENTRY_BEGIN
MATCH opcode
ADJUST copy_id copy_query
REPLY QR AA NXDOMAIN
SECTION QUESTION
www.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
example.com. 3600 IN SOA a. b. 1 2 3 4 5
example.com. 3600 IN NS nsb.example.com.
SECTION ADDITIONAL
nsb.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 AA 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 AA 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
; Fetch the old record from the old owner.
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
; the domain is sold (right at this time).
; but the information stays in the cache.
; 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
; and ask another query
STEP 50 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
nx1.example.com. IN A
ENTRY_END
; recursion happens here.
STEP 60 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NXDOMAIN
SECTION QUESTION
nx1.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
; at TTL 5 because TTL capped at ttl of minttl in rdata of SOA.
example.com. 5 IN SOA a. b. 1 2 3 4 5
example.com. 3600 IN NS nsb.example.com.
SECTION ADDITIONAL
nsb.example.com. 3600 IN A 1.2.3.4
ENTRY_END
STEP 62 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
nx1.example.com. IN A
ENTRY_END
; recursion happens here.
STEP 63 CHECK_ANSWER
ENTRY_BEGIN
MATCH all ttl
REPLY QR RD RA NXDOMAIN
SECTION QUESTION
nx1.example.com. IN A
SECTION ANSWER
SECTION AUTHORITY
; at TTL 5 because TTL capped at ttl of minttl in rdata of SOA.
example.com. 5 IN SOA a. b. 1 2 3 4 5
example.com. 1800 IN NS nsb.example.com.
SECTION ADDITIONAL
nsb.example.com. 3600 IN A 1.2.3.4
ENTRY_END
; after another 1900 seconds the domain must have timed out.
STEP 70 TIME_PASSES ELAPSE 1900
; the NS record should have timed out.
STEP 80 QUERY
ENTRY_BEGIN
REPLY RD
SECTION QUESTION
www.example.com. IN A
ENTRY_END
; recursion happens here.
STEP 90 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. 3600 IN NS ns.example.com.
SECTION ADDITIONAL
ns.example.com. 3600 IN A 8.8.8.8
ENTRY_END
SCENARIO_END
|
