[SOLVED] Re: BIND9 SERVFAIL on some .gov addresses
Mark Andrews
marka at isc.org
Sat Feb 19 11:08:05 UTC 2011
In message <17894D6D30484DDFBBE95BEF987FF5D1 at se179>, "Shaoquan Lin" writes:
> Ryan,
>
> Have you solved your problem? I have similar problems. I run BIND =
> 9.6..1-P3 on my Solaris 10 and can not resolve anything in domain =
> nyc.gov. One thing I noticed is: BIND 9.3 send query to =
> b.gov-servers.net with no Additional records and got a response with A =
> records for the nyc.gov NS servers in the Additional records; but BIND =
> 9.6 send query with type OPT Additional records and got a response with =
> also a type OPT but no A in the Additional records. So the BIND 9.6 can =
> not find the IP addresses of the nyc.gov NS servers and therefore can =
> not resolve anything in that domain. Using options "max-udp-size 512" =
> and "edns-udp-size 512" does not solve the problem.
>
> The following are the what I captured. Anyone have any suggestions to =
> solve the problem? =20
>
> Shaoquan Lin
This is really a DNS protocol bug. Glue is not optional when
returning a referral and failure to add glue should result in
"tc" being set.
Note: named should set "tc" in the case to work around this protocol
bug. It's useful to have a real life example rather than a contrived
example.
2784. [bug] TC was not always being set when required glue was
dropped. [RT #20655]
1804. [bug] Ensure that if we are queried for glue that it fits
in the additional section or TC is set to tell the
client to retry using TCP. [RT #10114]
> BIND 9.3 query:
> Domain Name System (query)
>
> Transaction ID: 0x94ca
>
> Flags: 0x0000 (Standard query)
>
> 0... .... .... .... =3D Response: Message is a query
>
> .000 0... .... .... =3D Opcode: Standard query (0)
>
> .... ..0. .... .... =3D Truncated: Message is not truncated
>
> .... ...0 .... .... =3D Recursion desired: Don't do query recursively
>
> .... .... .0.. .... =3D Z: reserved (0)
>
> .... .... ...0 .... =3D Non-authenticated data OK: Non-authenticated =
> data is unacceptable
>
> Questions: 1
>
> Answer RRs: 0
>
> Authority RRs: 0
>
> Additional RRs: 0
>
> Queries
>
> vwall4a.nyc.gov: type A, class IN
>
> Name: vwall4a.nyc.gov
>
> Type: A (Host address)
>
> Class: IN (0x0001)
>
> BIND 9.3 response:
>
> Domain Name System (response)
>
> Transaction ID: 0x94ca
>
> Flags: 0x8000 (Standard query response, No error)
>
> 1... .... .... .... =3D Response: Message is a response
>
> .000 0... .... .... =3D Opcode: Standard query (0)
>
> .... .0.. .... .... =3D Authoritative: Server is not an authority for =
> domain
>
> .... ..0. .... .... =3D Truncated: Message is not truncated
>
> .... ...0 .... .... =3D Recursion desired: Don't do query recursively
>
> .... .... 0... .... =3D Recursion available: Server can't do recursive =
> queries
>
> .... .... .0.. .... =3D Z: reserved (0)
>
> .... .... ..0. .... =3D Answer authenticated: Answer/authority portion =
> was not authenticated by the server
>
> .... .... .... 0000 =3D Reply code: No error (0)
>
> Questions: 1
>
> Answer RRs: 0
>
> Authority RRs: 4
>
> Additional RRs: 4
>
> Queries
>
> vwall4a.nyc.gov: type A, class IN
>
> Name: vwall4a.nyc.gov
>
> Type: A (Host address)
>
> Class: IN (0x0001)
>
> Authoritative nameservers
>
> nyc.gov: type NS, class IN, ns vwall1a.nyc.gov
>
> Name: nyc.gov
>
> Type: NS (Authoritative name server)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 10
>
> Name server: vwall1a.nyc.gov
>
> nyc.gov: type NS, class IN, ns vwall2a.nyc.gov
>
> Name: nyc.gov
>
> Type: NS (Authoritative name server)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 10
>
> Name server: vwall2a.nyc.gov
>
> nyc.gov: type NS, class IN, ns vwall3a.nyc.gov
>
> Name: nyc.gov
>
> Type: NS (Authoritative name server)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 10
>
> Name server: vwall3a.nyc.gov
>
> nyc.gov: type NS, class IN, ns vwall4a.nyc.gov
>
> Name: nyc.gov
>
> Type: NS (Authoritative name server)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 10
>
> Name server: vwall4a.nyc.gov
>
> Additional records
>
> vwall1a.nyc.gov: type A, class IN, addr 161.185.1.3
>
> Name: vwall1a.nyc.gov
>
> Type: A (Host address)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 4
>
> Addr: 161.185.1.3
>
> vwall2a.nyc.gov: type A, class IN, addr 161.185.1.12
>
> Name: vwall2a.nyc.gov
>
> Type: A (Host address)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 4
>
> Addr: 161.185.1.12
>
> vwall3a.nyc.gov: type A, class IN, addr 167.153.130.12
>
> Name: vwall3a.nyc.gov
>
> Type: A (Host address)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 4
>
> Addr: 167.153.130.12
>
> vwall4a.nyc.gov: type A, class IN, addr 167.153.130.13
>
> Name: vwall4a.nyc.gov
>
> Type: A (Host address)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 4
>
> Addr: 167.153.130.13
>
> BIND 9.6 query:
>
> Domain Name System (query)
>
> Transaction ID: 0x6427
>
> Flags: 0x0000 (Standard query)
>
> 0... .... .... .... =3D Response: Message is a query
>
> .000 0... .... .... =3D Opcode: Standard query (0)
>
> .... ..0. .... .... =3D Truncated: Message is not truncated
>
> .... ...0 .... .... =3D Recursion desired: Don't do query recursively
>
> .... .... .0.. .... =3D Z: reserved (0)
>
> .... .... ...0 .... =3D Non-authenticated data OK: Non-authenticated =
> data is unacceptable
>
> Questions: 1
>
> Answer RRs: 0
>
> Authority RRs: 0
>
> Additional RRs: 1
>
> Queries
>
> vwall4a.nyc.gov: type A, class IN
>
> Name: vwall4a.nyc.gov
>
> Type: A (Host address)
>
> Class: IN (0x0001)
>
> Additional records
>
> <Root>: type OPT
>
> Name: <Root>
>
> Type: OPT (EDNS0 option)
>
> UDP payload size: 512
>
> Higher bits in extended RCODE: 0x0
>
> EDNS0 version: 0
>
> Z: 0x8000
>
> Bit 0 (DO bit): 1 (Accepts DNSSEC security RRs)
>
> Bits 1-15: 0x0 (reserved)
>
> Data length: 0
>
> BIND 9.6 response:
>
> Domain Name System (response)
>
> Transaction ID: 0x6427
>
> Flags: 0x8000 (Standard query response, No error)
>
> 1... .... .... .... =3D Response: Message is a response
>
> .000 0... .... .... =3D Opcode: Standard query (0)
>
> .... .0.. .... .... =3D Authoritative: Server is not an authority for =
> domain
>
> .... ..0. .... .... =3D Truncated: Message is not truncated
>
> .... ...0 .... .... =3D Recursion desired: Don't do query recursively
>
> .... .... 0... .... =3D Recursion available: Server can't do recursive =
> queries
>
> .... .... .0.. .... =3D Z: reserved (0)
>
> .... .... ..0. .... =3D Answer authenticated: Answer/authority portion =
> was not authenticated by the server
>
> .... .... .... 0000 =3D Reply code: No error (0)
>
> Questions: 1
>
> Answer RRs: 0
>
> Authority RRs: 6
>
> Additional RRs: 1
>
> Queries
>
> vwall4a.nyc.gov: type A, class IN
>
> Name: vwall4a.nyc.gov
>
> Type: A (Host address)
>
> Class: IN (0x0001)
>
> Authoritative nameservers
>
> nyc.gov: type NS, class IN, ns vwall1a.nyc.gov
>
> Name: nyc.gov
>
> Type: NS (Authoritative name server)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 10
>
> Name server: vwall1a.nyc.gov
>
> nyc.gov: type NS, class IN, ns vwall2a.nyc.gov
>
> Name: nyc.gov
>
> Type: NS (Authoritative name server)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 10
>
> Name server: vwall2a.nyc.gov
>
> nyc.gov: type NS, class IN, ns vwall3a.nyc.gov
>
> Name: nyc.gov
>
> Type: NS (Authoritative name server)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 10
>
> Name server: vwall3a.nyc.gov
>
> nyc.gov: type NS, class IN, ns vwall4a.nyc.gov
>
> Name: nyc.gov
>
> Type: NS (Authoritative name server)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 10
>
> Name server: vwall4a.nyc.gov
>
> rq2651faaj4nen6tfis8ju5005qccn8j.gov: type Unknown (50), class IN
>
> Name: rq2651faaj4nen6tfis8ju5005qccn8j.gov
>
> Type: Unknown (50)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 35
>
> Data
>
> rq2651faaj4nen6tfis8ju5005qccn8j.gov: type RRSIG, class IN
>
> Name: rq2651faaj4nen6tfis8ju5005qccn8j.gov
>
> Type: RRSIG (RR signature)
>
> Class: IN (0x0001)
>
> Time to live: 1 day
>
> Data length: 279
>
> Type covered: Unknown (50)
>
> Algorithm: Unknown (0x07)
>
> Labels: 2
>
> Original TTL: 1 day
>
> Signature expiration: Feb 22, 2011 05:00:22.000000000
>
> Time signed: Feb 17, 2011 05:00:22.000000000
>
> Id of signing key(footprint): 47602
>
> Signer's name: gov
>
> Signature
>
> Additional records
>
> <Root>: type OPT
>
> Name: <Root>
>
> Type: OPT (EDNS0 option)
>
> UDP payload size: 1472
>
> Higher bits in extended RCODE: 0x0
>
> EDNS0 version: 0
>
> Z: 0x0
>
> Data length: 0
>
> ------=_NextPart_000_0116_01CBCF84.31A5E720
> Content-Type: text/html;
> charset="iso-8859-1"
> Content-Transfer-Encoding: quoted-printable
>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
> <HTML><HEAD>
> <META content=3D"text/html; charset=3Diso-8859-1" =
> http-equiv=3DContent-Type>
> <META name=3DGENERATOR content=3D"MSHTML 8.00.6001.19019">
> <STYLE></STYLE>
> </HEAD>
> <BODY bgColor=3D#ffffff>
> <DIV><FONT size=3D2 face=3DArial>Ryan,</FONT></DIV>
> <DIV><FONT size=3D2 face=3DArial></FONT> </DIV>
> <DIV><FONT size=3D2 face=3DArial>Have you solved your problem? I =
> have similar=20
> problems. I run BIND 9.6..1-P3 on my Solaris 10 and can not resolve =
> anything in=20
> domain nyc.gov. One thing I noticed is: BIND 9.3 send query =
> to=20
> b.gov-servers.net with no Additional records and got a response=20
> with A records for the nyc.gov NS servers in the Additional =
> records;=20
> but BIND 9.6 send query with type OPT Additional records and got a =
> response with=20
> also a type OPT but no A in the Additional records. So the BIND =
> 9.6 can=20
> not find the IP addresses of the nyc.gov NS servers and therefore can =
> not=20
> resolve anything in that domain. Using options "<FONT=20
> size=3D3>max-udp-size 512" and "edns-udp-size 512" =
> does not=20
> solve the problem.</FONT></FONT></DIV>
> <DIV><FONT face=3DArial></FONT> </DIV>
> <DIV><FONT face=3DArial>The following are the what I captured. =
> Anyone have=20
> any suggestions to solve the=20
> problem? =
> </FONT></DIV>
> <DIV><FONT face=3DArial></FONT> </DIV>
> <DIV><FONT face=3DArial>Shaoquan Lin</FONT></DIV>
> <DIV><FONT face=3DArial></FONT> </DIV>
> <DIV><FONT face=3DArial>BIND 9.3 query:</FONT></DIV>
> <DIV><FONT size=3D2 face=3DArial><SPAN lang=3DEN>
> <P>Domain Name System (query)</P>
> <P>Transaction ID: 0x94ca</P>
> <P>Flags: 0x0000 (Standard query)</P>
> <P>0... .... .... .... =3D Response: Message is a query</P>
> <P>.000 0... .... .... =3D Opcode: Standard query (0)</P>
> <P>.... ..0. .... .... =3D Truncated: Message is not truncated</P>
> <P>.... ...0 .... .... =3D Recursion desired: Don't do query =
> recursively</P>
> <P>.... .... .0.. .... =3D Z: reserved (0)</P>
> <P>.... .... ...0 .... =3D Non-authenticated data OK: Non-authenticated =
> data is=20
> unacceptable</P>
> <P>Questions: 1</P>
> <P>Answer RRs: 0</P>
> <P>Authority RRs: 0</P>
> <P>Additional RRs: 0</P>
> <P>Queries</P>
> <P>vwall4a.nyc.gov: type A, class IN</P>
> <P>Name: vwall4a.nyc.gov</P>
> <P>Type: A (Host address)</P>
> <P>Class: IN (0x0001)</P>
> <P>BIND 9.3 response:</P><SPAN lang=3DEN>
> <P>Domain Name System (response)</P>
> <P>Transaction ID: 0x94ca</P>
> <P>Flags: 0x8000 (Standard query response, No error)</P>
> <P>1... .... .... .... =3D Response: Message is a response</P>
> <P>.000 0... .... .... =3D Opcode: Standard query (0)</P>
> <P>.... .0.. .... .... =3D Authoritative: Server is not an authority for =
>
> domain</P>
> <P>.... ..0. .... .... =3D Truncated: Message is not truncated</P>
> <P>.... ...0 .... .... =3D Recursion desired: Don't do query =
> recursively</P>
> <P>.... .... 0... .... =3D Recursion available: Server can't do =
> recursive=20
> queries</P>
> <P>.... .... .0.. .... =3D Z: reserved (0)</P>
> <P>.... .... ..0. .... =3D Answer authenticated: Answer/authority =
> portion was not=20
> authenticated by the server</P>
> <P>.... .... .... 0000 =3D Reply code: No error (0)</P>
> <P>Questions: 1</P>
> <P>Answer RRs: 0</P>
> <P>Authority RRs: 4</P>
> <P>Additional RRs: 4</P>
> <P>Queries</P>
> <P>vwall4a.nyc.gov: type A, class IN</P>
> <P>Name: vwall4a.nyc.gov</P>
> <P>Type: A (Host address)</P>
> <P>Class: IN (0x0001)</P>
> <P>Authoritative nameservers</P>
> <P>nyc.gov: type NS, class IN, ns vwall1a.nyc.gov</P>
> <P>Name: nyc.gov</P>
> <P>Type: NS (Authoritative name server)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 10</P>
> <P>Name server: vwall1a.nyc.gov</P>
> <P>nyc.gov: type NS, class IN, ns vwall2a.nyc.gov</P>
> <P>Name: nyc.gov</P>
> <P>Type: NS (Authoritative name server)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 10</P>
> <P>Name server: vwall2a.nyc.gov</P>
> <P>nyc.gov: type NS, class IN, ns vwall3a.nyc.gov</P>
> <P>Name: nyc.gov</P>
> <P>Type: NS (Authoritative name server)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 10</P>
> <P>Name server: vwall3a.nyc.gov</P>
> <P>nyc.gov: type NS, class IN, ns vwall4a.nyc.gov</P>
> <P>Name: nyc.gov</P>
> <P>Type: NS (Authoritative name server)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 10</P>
> <P>Name server: vwall4a.nyc.gov</P>
> <P>Additional records</P>
> <P>vwall1a.nyc.gov: type A, class IN, addr 161.185.1.3</P>
> <P>Name: vwall1a.nyc.gov</P>
> <P>Type: A (Host address)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 4</P>
> <P>Addr: 161.185.1.3</P>
> <P>vwall2a.nyc.gov: type A, class IN, addr 161.185.1.12</P>
> <P>Name: vwall2a.nyc.gov</P>
> <P>Type: A (Host address)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 4</P>
> <P>Addr: 161.185.1.12</P>
> <P>vwall3a.nyc.gov: type A, class IN, addr 167.153.130.12</P>
> <P>Name: vwall3a.nyc.gov</P>
> <P>Type: A (Host address)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 4</P>
> <P>Addr: 167.153.130.12</P>
> <P>vwall4a.nyc.gov: type A, class IN, addr 167.153.130.13</P>
> <P>Name: vwall4a.nyc.gov</P>
> <P>Type: A (Host address)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 4</P>
> <P>Addr: 167.153.130.13</P></SPAN></SPAN></FONT></DIV>
> <DIV><FONT size=3D2 face=3DArial>BIND 9.6 query:</FONT></DIV>
> <DIV> </DIV>
> <DIV><SPAN lang=3DEN>
> <P>Domain Name System (query)</P>
> <P>Transaction ID: 0x6427</P>
> <P>Flags: 0x0000 (Standard query)</P>
> <P>0... .... .... .... =3D Response: Message is a query</P>
> <P>.000 0... .... .... =3D Opcode: Standard query (0)</P>
> <P>.... ..0. .... .... =3D Truncated: Message is not truncated</P>
> <P>.... ...0 .... .... =3D Recursion desired: Don't do query =
> recursively</P>
> <P>.... .... .0.. .... =3D Z: reserved (0)</P>
> <P>.... .... ...0 .... =3D Non-authenticated data OK: Non-authenticated =
> data is=20
> unacceptable</P>
> <P>Questions: 1</P>
> <P>Answer RRs: 0</P>
> <P>Authority RRs: 0</P>
> <P>Additional RRs: 1</P>
> <P>Queries</P>
> <P>vwall4a.nyc.gov: type A, class IN</P>
> <P>Name: vwall4a.nyc.gov</P>
> <P>Type: A (Host address)</P>
> <P>Class: IN (0x0001)</P>
> <P>Additional records</P>
> <P><Root>: type OPT</P>
> <P>Name: <Root></P>
> <P>Type: OPT (EDNS0 option)</P>
> <P>UDP payload size: 512</P>
> <P>Higher bits in extended RCODE: 0x0</P>
> <P>EDNS0 version: 0</P>
> <P>Z: 0x8000</P>
> <P>Bit 0 (DO bit): 1 (Accepts DNSSEC security RRs)</P>
> <P>Bits 1-15: 0x0 (reserved)</P>
> <P>Data length: 0</P>
> <P>BIND 9.6 response:</P><SPAN lang=3DEN>
> <P>Domain Name System (response)</P>
> <P>Transaction ID: 0x6427</P>
> <P>Flags: 0x8000 (Standard query response, No error)</P>
> <P>1... .... .... .... =3D Response: Message is a response</P>
> <P>.000 0... .... .... =3D Opcode: Standard query (0)</P>
> <P>.... .0.. .... .... =3D Authoritative: Server is not an authority for =
>
> domain</P>
> <P>.... ..0. .... .... =3D Truncated: Message is not truncated</P>
> <P>.... ...0 .... .... =3D Recursion desired: Don't do query =
> recursively</P>
> <P>.... .... 0... .... =3D Recursion available: Server can't do =
> recursive=20
> queries</P>
> <P>.... .... .0.. .... =3D Z: reserved (0)</P>
> <P>.... .... ..0. .... =3D Answer authenticated: Answer/authority =
> portion was not=20
> authenticated by the server</P>
> <P>.... .... .... 0000 =3D Reply code: No error (0)</P>
> <P>Questions: 1</P>
> <P>Answer RRs: 0</P>
> <P>Authority RRs: 6</P>
> <P>Additional RRs: 1</P>
> <P>Queries</P>
> <P>vwall4a.nyc.gov: type A, class IN</P>
> <P>Name: vwall4a.nyc.gov</P>
> <P>Type: A (Host address)</P>
> <P>Class: IN (0x0001)</P>
> <P>Authoritative nameservers</P>
> <P>nyc.gov: type NS, class IN, ns vwall1a.nyc.gov</P>
> <P>Name: nyc.gov</P>
> <P>Type: NS (Authoritative name server)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 10</P>
> <P>Name server: vwall1a.nyc.gov</P>
> <P>nyc.gov: type NS, class IN, ns vwall2a.nyc.gov</P>
> <P>Name: nyc.gov</P>
> <P>Type: NS (Authoritative name server)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 10</P>
> <P>Name server: vwall2a.nyc.gov</P>
> <P>nyc.gov: type NS, class IN, ns vwall3a.nyc.gov</P>
> <P>Name: nyc.gov</P>
> <P>Type: NS (Authoritative name server)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 10</P>
> <P>Name server: vwall3a.nyc.gov</P>
> <P>nyc.gov: type NS, class IN, ns vwall4a.nyc.gov</P>
> <P>Name: nyc.gov</P>
> <P>Type: NS (Authoritative name server)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 10</P>
> <P>Name server: vwall4a.nyc.gov</P>
> <P>rq2651faaj4nen6tfis8ju5005qccn8j.gov: type Unknown (50), class IN</P>
> <P>Name: rq2651faaj4nen6tfis8ju5005qccn8j.gov</P>
> <P>Type: Unknown (50)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 35</P>
> <P>Data</P>
> <P>rq2651faaj4nen6tfis8ju5005qccn8j.gov: type RRSIG, class IN</P>
> <P>Name: rq2651faaj4nen6tfis8ju5005qccn8j.gov</P>
> <P>Type: RRSIG (RR signature)</P>
> <P>Class: IN (0x0001)</P>
> <P>Time to live: 1 day</P>
> <P>Data length: 279</P>
> <P>Type covered: Unknown (50)</P>
> <P>Algorithm: Unknown (0x07)</P>
> <P>Labels: 2</P>
> <P>Original TTL: 1 day</P>
> <P>Signature expiration: Feb 22, 2011 05:00:22.000000000</P>
> <P>Time signed: Feb 17, 2011 05:00:22.000000000</P>
> <P>Id of signing key(footprint): 47602</P>
> <P>Signer's name: gov</P>
> <P>Signature</P>
> <P>Additional records</P>
> <P><Root>: type OPT</P>
> <P>Name: <Root></P>
> <P>Type: OPT (EDNS0 option)</P>
> <P>UDP payload size: 1472</P>
> <P>Higher bits in extended RCODE: 0x0</P>
> <P>EDNS0 version: 0</P>
> <P>Z: 0x0</P>
> <P>Data length: 0</P></SPAN></SPAN></DIV></BODY></HTML>
>
> ------=_NextPart_000_0116_01CBCF84.31A5E720--
>
>
>
> --===============7478579667512691322==
> Content-Type: text/plain; charset="us-ascii"
> MIME-Version: 1.0
> Content-Transfer-Encoding: 7bit
> Content-Disposition: inline
>
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--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
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