SV_RFC1034_4_3_1_RD - Recursion desired(RD) in standard query
Verify that a NUT transmits correct standard query message for Recursion desired(RD)
Server (forwarder)
SV_RFC1034_4_3_1_RD.seq [-tooloption ...]: KOI tool option See also DNSConfig.pm
. domain org domain example.org domain AP Server1 (TN) DNS Server2 DNS Server3 DNS Server4 |A.example.org |A.ROOT.NET |NS3.example.org |NS4.example.org |3ffe:501:ffff:101::10 |3ffe:501:ffff:101::20 |3ffe:501:ffff:101::30 |3ffe:501:ffff:101::40 |192.168.1.10 |192.168.1.20 |192.168.1.30 |192.168.1.40 | | | | Net-y --+--------+---------------+------------------------+------------------------+-- 3ffe:501:ffff:101::/64 | 192.168.1/24 | | Router (TN) |3ffe:501:ffff:100::1 |192.168.0.1 | | Net-z --+--------+-----------------+-------- 3ffe:501:ffff:100::/64 | | 192.168.0/24 | | DNS Server1 (NUT) DNS Client1 (TN) 3ffe:501:ffff:100::XXXX 3ffe:501:ffff:100::20 192.168.0.10 192.168.0.20
XXXX: EUI64
This test sequence is following.
Client1 (TN) DNS Server1 (NUT) DNS Server2 (TN) DNS Server3 (TN) DNS Server4 (TN) | | | | | |----------------------------->| | | | | 1. Send standard query | | | | | QNAME=A.example.org | | | | | QTYPE=A | | | | | | | | | | | | | | | |------------------------------------------------------------------------------------------------------>| | | | | 2. Send standard query | | | | | RD=1 | | | | | QNAME=A.example.org | | | | | QTYPE=A | | | | | | | |<------------------------------------------------------------------------------------------------------| | | | | 3. Send standard response | | | | | QNAME=A.example.org | | | | | QTYPE=A | | | | | ANSWER Name=A.example.org | | | | | ANSWER Address=192.168.1.10 | | | | | AUTHORITY Name=example.org | | | | | AUTHORITY Name Server | | | | | =NS4.example.org | | | | | ADDITIONAL Name=NS4.example.org | | | | | ADDITIONAL Address=192.168.1.40 | | | | | | |<-----------------------------| | | | | 4. Standard query response | | | | | QNAME=A.example.org | | | | | QTYPE=A | | | | | ANSWER Name=A.example.org | | | | | ANSWER Address=192.168.1.10 | | | | | AUTHORITY Name=example.org | | | | | AUTHORITY Name Server | | | | | =NS4.example.org | | | | v v v v v
1. TN send standard query QNAME=A.example.org, QTYPE=A to NUT. 2. NUT transmits standard query QNAME=A.example.org, QTYPE=A to DNS Server4 (TN: NS4.example.org) (Judgment *2) 3. TN send query response to ANSWER Name=A.example.org, ANSWER Address=192.168.1.10 to NUT. 4. NUT transmits query response to DNS Client1 (TN) (Judgment *4)
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IP Header | Source Address | CL1_NETZ |
Destination Address | NUT_NETZ | |
UDP Header | Src Port | 2000 |
Dst Port | 53 | |
DNS Header | ID | 0x1000 |
QR | 0 | |
OPCODE | 0 | |
AA | 0 | |
TC | 0 | |
RD | 1 | |
RA | 0 | |
Z | 0 | |
RCODE | 0 | |
QDCOUNT | 1 | |
ANCOUNT | 0 | |
NSCOUNT | 0 | |
ARCOUNT | 0 | |
DNS Question section | QNAME | A.example.org |
QTYPE | A (0x0001) | |
QCLASS | IN (0x0001) |
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IP Header | Source Address | NUT_NETZ |
Destination Address | SV4_NETY | |
UDP Header | Src Port | ANY |
Dst Port | 53 | |
DNS Header | ID | ANY |
QR | 1 | |
OPCODE | 0 | |
AA | any | |
TC | 0 | |
RD | 1 | |
RA | any | |
Z | any | |
RCODE | any | |
QDCOUNT | 1 | |
ANCOUNT | 0 | |
NSCOUNT | 0 | |
ARCOUNT | any | |
DNS Question section | QNAME | A.example.org |
QTYPE | A (0x0001) | |
QCLASS | IN (0x0001) |
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IP Header | Source Address | SV4_NETY |
Destination Address | NUT_NETZ | |
UDP Header | Src Port | Value that NUT uses |
Dst Port | 53 | |
DNS Header | ID | Value that NUT uses |
QR | 1 | |
OPCODE | 0 | |
AA | 1 | |
TC | 0 | |
RD | 1 | |
RA | 1 | |
Z | 0 | |
RCODE | 0 | |
QDCOUNT | 1 | |
ANCOUNT | 1 | |
NSCOUNT | 1 | |
ARCOUNT | 1 | |
DNS Question section | QNAME | A.example.org |
QTYPE | A (0x0001) | |
QCLASS | IN (0x0001) | |
DNS Answer section | NAME | A.example.org (Pointer 0xC00C) |
TYPE | A (0x0001) | |
CLASS | IN (0x0001) | |
TTL | 1 day (86400) | |
RDLENGTH | 4 | |
ADDRESS | 192.168.1.10 | |
DNS Authority section | NAME | example.org (Pointer 0xC00E) |
TYPE | NS (0x0002) | |
CLASS | IN (0x0001) | |
TTL | 1 day (86400) | |
RDLENGTH | 6 | |
NSDNAME | NS4.example.org (NS4 + Pointer 0xC00E) | |
DNS Additional section | NAME | NS4.example.org (Pointer 0xC03B) |
TYPE |
A (0x0001) | |
CLASS | IN (0x0001) | |
TTL | 1 day (86400) | |
RDLENGTH | 4 | |
ADDRESS | 192.168.1.40 |
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IP Header | Source Address | NUT_NETZ |
Destination Address | CL1_NETZ | |
UDP Header | Src Port | 53 |
Dst Port | 2000 | |
DNS Header | ID | 0x1000 |
QR | 1 | |
OPCODE | 0 | |
AA | 0 | |
TC | 0 | |
RD | 1 | |
RA | 1 | |
Z | 0 | |
RCODE | 0 | |
QDCOUNT | 1 | |
ANCOUNT | 1 | |
NSCOUNT | 1 | |
ARCOUNT | 1 | |
DNS Question section | QNAME | A.example.org |
QTYPE | A (0x0001) | |
QCLASS | IN (0x0001) | |
DNS Answer section | NAME | A.example.org (Pointer 0xC00C) |
TYPE | A (0x0001) | |
CLASS | IN (0x0001) | |
TTL | 1 day (86400) | |
RDLENGTH | 4 | |
ADDRESS | 192.168.1.10 | |
DNS Authority section | NAME | example.org (Pointer 0xC00E) |
TYPE | NS (0x0002) | |
CLASS | IN (0x0001) | |
TTL | 1 day (86400) | |
RDLENGTH | 6 | |
NSDNAME | NS4.example.org (NS4 + Pointer 0xC00E) | |
DNS Additional section | NAME | NS4.example.org (Pointer 0xC03B) |
TYPE |
A (0x0001) | |
CLASS | IN (0x0001) | |
TTL | 1 day (86400) | |
RDLENGTH | 4 | |
ADDRESS | 192.168.1.40 |
NUT_NETZ | DNS Server1's (NUT) Net-z address |
CL1_NETZ | DNS Client1's (TN) Net-z address |
SV4_NETY | DNS Server4's (TN) Net-y address |
2. Standard query including QNAME=A.example.org, QTYPE=A (recursion desired) must be based on above Verification Points. 4. Received standard query response including correct address in the ADDRESS field.
None
RFC1034 DOMAIN NAMES - CONCEPTS AND FACILITIES 4.3.1. Queries and responses
RFC1035 DOMAIN NAMES - IMPLEMENTATION AND SPECIFICATION 4.1.1. Header section format