subject:"Again question about edns \(like swupdl.adobe.com\)"

Again question about edns (like swupdl.adobe.com)

2014-10-22 Thread IDS Submit

Good morning,

 

with www.acer.it I have the same problem as swupdl.adobe.com

 

NXDOMAIN with bind 9.10 but NOERROR with Google DNS

 

I have read the Mark Andrews reply on july 4 2014:

--

It looks like nameserver vendors are not doing even rudimentry checks like
those above.  DiG has thos options so that we could perform checks like
these.

 

Until Adobe fix their broken servers you can use a server clause to disable
sending SIT requests to them.  Obviously this does not scale.

 

  server address { request-sit no; };

 

Mark

--

But this doesn't solve the problem on others domains .

. should be possible enable request-sit no for all domains and not
manually add it?

Because I think there are lot of domains with this problem L

 

 

--

\Server\Bind\bin\dig.exe @81.174.15.142 www.acer.it

 

;  DiG 9.10.1  @81.174.15.142 www.acer.it

; (1 server found)

;; global options: +cmd

;; Got answer:

;; -HEADER- opcode: QUERY, status: NXDOMAIN, id: 42228

;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1

 

;; OPT PSEUDOSECTION:

; EDNS: version: 0, flags:; udp: 4096

;; QUESTION SECTION:

;www.acer.it.   IN  A

 

;; ANSWER SECTION:

www.acer.it.300 IN  CNAME   public-akamai.gtm.acer.com.

 

;; AUTHORITY SECTION:

gtm.acer.com.   60  IN  SOA gtm1.acer.com.
hostmaster.gtm1.acer.com. 482 10800 3600 604800 60

 

;; Query time: 572 msec

;; SERVER: 81.174.15.142#53(81.174.15.142)

;; WHEN: Wed Oct 22 12:13:12 ora legale Europa occidentale 2014

;; MSG SIZE  rcvd: 132

--

 

 

--

\Server\Bind\bin\dig.exe @8.8.8.8 www.acer.it

 

;  DiG 9.10.1  @8.8.8.8 www.acer.it

; (1 server found)

;; global options: +cmd

;; Got answer:

;; -HEADER- opcode: QUERY, status: NOERROR, id: 34510

;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1

 

;; OPT PSEUDOSECTION:

; EDNS: version: 0, flags:; udp: 512

;; QUESTION SECTION:

;www.acer.it.   IN  A

 

;; ANSWER SECTION:

www.acer.it.281 IN  CNAME   public-akamai.gtm.acer.com.

public-akamai.gtm.acer.com. 11  IN  CNAME   www.acer.com.edgesuite.net.

www.acer.com.edgesuite.net. 12306 INCNAME   a492.b.akamai.net.

a492.b.akamai.net.  19  IN  A   88.149.196.137

a492.b.akamai.net.  19  IN  A   88.149.196.145

 

;; Query time: 60 msec

;; SERVER: 8.8.8.8#53(8.8.8.8)

;; WHEN: Wed Oct 22 12:14:02 ora legale Europa occidentale 2014

;; MSG SIZE  rcvd: 180

--

 

Thanks in advance and best regards

 

Staff IDS

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Re: Again question about edns (like swupdl.adobe.com)

2014-10-22 Thread Mike Hoskins (michoski)

For what little it's worth, I've seen this somewhat even on 9.8 (it's not new), 
though increasingly on 9.9...not saying it's BIND specific, just that I've hit 
these kind of annoyances with remote servers awhile now.

I've tried explaining this on numerous internal email threads, tickets, webex 
(calls are great), etc...but it is quite frustrating, because so long as 
reasonably savvy users can dig @8.8.8.8 and get a response, they don't 
believe your server isn't broken.

From: IDS Submit sub...@ids.itmailto:sub...@ids.it
Date: Wednesday, October 22, 2014 at 6:30 AM
To: bind-us...@isc.orgmailto:bind-us...@isc.org 
bind-us...@isc.orgmailto:bind-us...@isc.org
Subject: Again question about edns (like swupdl.adobe.com)

Good morning,

with www.acer.ithttp://www.acer.it I have the same problem as swupdl.adobe.com

NXDOMAIN with bind 9.10 but NOERROR with Google DNS

I have read the Mark Andrews reply on july 4 2014:
--

It looks like nameserver vendors are not doing even rudimentry checks like 
those above.  DiG has thos options so that we could perform checks like these.



Until Adobe fix their broken servers you can use a server clause to disable 
sending SIT requests to them.  Obviously this does not scale.



  server address { request-sit no; };



Mark
--
But this doesn’t solve the problem on others domains …
… should be possible enable “request-sit no” for all domains and not manually 
add it?
Because I think there are lot of domains with this problem :(


--
\Server\Bind\bin\dig.exe @81.174.15.142 www.acer.it

;  DiG 9.10.1  @81.174.15.142 www.acer.it
; (1 server found)
;; global options: +cmd
;; Got answer:
;; -HEADER- opcode: QUERY, status: NXDOMAIN, id: 42228
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.acer.it.   IN  A

;; ANSWER SECTION:
www.acer.it.300 IN  CNAME   public-akamai.gtm.acer.com.

;; AUTHORITY SECTION:
gtm.acer.com.   60  IN  SOA gtm1.acer.com. 
hostmaster.gtm1.acer.com. 482 10800 3600 604800 60

;; Query time: 572 msec
;; SERVER: 81.174.15.142#53(81.174.15.142)
;; WHEN: Wed Oct 22 12:13:12 ora legale Europa occidentale 2014
;; MSG SIZE  rcvd: 132
--


--
\Server\Bind\bin\dig.exe @8.8.8.8 www.acer.it

;  DiG 9.10.1  @8.8.8.8 www.acer.it
; (1 server found)
;; global options: +cmd
;; Got answer:
;; -HEADER- opcode: QUERY, status: NOERROR, id: 34510
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;www.acer.it.   IN  A

;; ANSWER SECTION:
www.acer.it.281 IN  CNAME   public-akamai.gtm.acer.com.
public-akamai.gtm.acer.com. 11  IN  CNAME   www.acer.com.edgesuite.net.
www.acer.com.edgesuite.net. 12306 INCNAME   a492.b.akamai.net.
a492.b.akamai.net.  19  IN  A   88.149.196.137
a492.b.akamai.net.  19  IN  A   88.149.196.145

;; Query time: 60 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Wed Oct 22 12:14:02 ora legale Europa occidentale 2014
;; MSG SIZE  rcvd: 180
--

Thanks in advance and best regards

Staff IDS
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R: Again question about edns (like swupdl.adobe.com)

2014-10-22 Thread Chiesa Stefano

Hello all.

Maybe I didn't understand the problem but in my installation of BIND 9.10  
WINDOWS I can't replicate the error:

 

C:\dig swupdl.adobe.com @10.39.128.11

 

;  DiG 9.10-P1  swupdl.adobe.com @10.39.128.11

;; global options: +cmd

;; Got answer:

;; -HEADER- opcode: QUERY, status: NOERROR, id: 43143

;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 8, ADDITIONAL: 9

 

;; OPT PSEUDOSECTION:

; EDNS: version: 0, flags:; udp: 4096

;; QUESTION SECTION:

;swupdl.adobe.com.  IN  A

 

;; ANSWER SECTION:

swupdl.adobe.com.   10761   IN  CNAME   swupdl.wip4.adobe.com.

swupdl.wip4.adobe.com.  561 IN  CNAME   swupdl.adobe.com.edgesuite.net.

swupdl.adobe.com.edgesuite.net. 21561 IN CNAME  a1577.d.akamai.net.

a1577.d.akamai.net. 20  IN  A   95.101.34.43

a1577.d.akamai.net. 20  IN  A   95.101.34.51

 

-

C:\dig www.acer.it @10.39.128.11

 

;  DiG 9.10-P1  www.acer.it @10.39.128.11

;; global options: +cmd

;; Got answer:

;; -HEADER- opcode: QUERY, status: NOERROR, id: 49188

;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 8, ADDITIONAL: 9

 

;; OPT PSEUDOSECTION:

; EDNS: version: 0, flags:; udp: 4096

;; QUESTION SECTION:

;www.acer.it.   IN  A

 

;; ANSWER SECTION:

www.acer.it.275 IN  CNAME   public-akamai.gtm.acer.com.

public-akamai.gtm.acer.com. 6   IN  CNAME   www.acer.com.edgesuite.net.

www.acer.com.edgesuite.net. 21576 INCNAME   a492.b.akamai.net.

a492.b.akamai.net.  20  IN  A   2.228.46.113

a492.b.akamai.net.  20  IN  A   2.228.46.122

 

Regards.

Stefano Chiesa

 

Da: bind-users-boun...@lists.isc.org [mailto:bind-users-boun...@lists.isc.org] 
Per conto di IDS Submit
Inviato: mercoledì 22 ottobre 2014 12:30
A: bind-us...@isc.org
Oggetto: Again question about edns (like swupdl.adobe.com)

 

Good morning, 

  

with www.acer.it I have the same problem as swupdl.adobe.com 

  

NXDOMAIN with bind 9.10 but NOERROR with Google DNS 

  

I have read the Mark Andrews reply on july 4 2014: 

-- 

It looks like nameserver vendors are not doing even rudimentry checks like 
those above.  DiG has thos options so that we could perform checks like these. 

  

Until Adobe fix their broken servers you can use a server clause to disable 
sending SIT requests to them.  Obviously this does not scale. 

  

  server address { request-sit no; }; 

  

Mark 

-- 

But this doesn't solve the problem on others domains ... 

... should be possible enable request-sit no for all domains and not manually 
add it? 

Because I think there are lot of domains with this problem L 

  

  

-- 

\Server\Bind\bin\dig.exe @81.174.15.142 www.acer.it 

  

;  DiG 9.10.1  @81.174.15.142 www.acer.it 

; (1 server found) 

;; global options: +cmd 

;; Got answer: 

;; -HEADER- opcode: QUERY, status: NXDOMAIN, id: 42228 

;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1 

  

;; OPT PSEUDOSECTION: 

; EDNS: version: 0, flags:; udp: 4096 

;; QUESTION SECTION: 

;www.acer.it.   IN  A 

  

;; ANSWER SECTION: 

www.acer.it.300 IN  CNAME   public-akamai.gtm.acer.com. 

  

;; AUTHORITY SECTION: 

gtm.acer.com.   60  IN  SOA gtm1.acer.com. 
hostmaster.gtm1.acer.com. 482 10800 3600 604800 60 

  

;; Query time: 572 msec 

;; SERVER: 81.174.15.142#53(81.174.15.142) 

;; WHEN: Wed Oct 22 12:13:12 ora legale Europa occidentale 2014 

;; MSG SIZE  rcvd: 132 

-- 

  

  

-- 

\Server\Bind\bin\dig.exe @8.8.8.8 www.acer.it 

  

;  DiG 9.10.1  @8.8.8.8 www.acer.it 

; (1 server found) 

;; global options: +cmd 

;; Got answer: 

;; -HEADER- opcode: QUERY, status: NOERROR, id: 34510 

;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1 

  

;; OPT PSEUDOSECTION: 

; EDNS: version: 0, flags:; udp: 512 

;; QUESTION SECTION: 

;www.acer.it.   IN  A 

  

;; ANSWER SECTION: 

www.acer.it.281 IN  CNAME   public-akamai.gtm.acer.com. 

public-akamai.gtm.acer.com. 11  IN  CNAME   www.acer.com.edgesuite.net. 

www.acer.com.edgesuite.net. 12306 INCNAME   a492.b.akamai.net. 

a492.b.akamai.net.  19  IN  A   88.149.196.137 

a492.b.akamai.net.  19  IN  A   88.149.196.145 

  

;; Query time: 60 msec 

;; SERVER: 8.8.8.8#53(8.8.8.8) 

;; WHEN: Wed Oct 22 12:14:02 ora legale Europa occidentale 2014 

;; MSG SIZE  rcvd: 180 

-- 

  

Thanks

R: Again question about edns (like swupdl.adobe.com)

2014-10-22 Thread IDS Sas - Support

Good morning,

 

I have those Bind versions installed:

 

BIND 9.10.1-x86 in a Windows Server 32 bit

BIND 9.10.1-x64 in a Windows Server 64 bit

 

Both versions have the SIT (Source Identity Token) EDNS option enabled by
default.

You have DiG 9.10-P1 (May 8 2014) and my problems start with 9.10.0-P2 (June
6 2014)

 

Regards

 

Staff IDS

 

Da: Chiesa Stefano [mailto:stefano.chi...@wki.it] 
Inviato: mercoledì 22 ottobre 2014 14.44
A: IDS Submit; bind-us...@isc.org
Oggetto: R: Again question about edns (like swupdl.adobe.com)

 

Hello all.

Maybe I didnt understand the problem but in my installation of BIND 9.10
WINDOWS I cant replicate the error:

 

C:\dig swupdl.adobe.com @10.39.128.11

 

;  DiG 9.10-P1  swupdl.adobe.com @10.39.128.11

;; global options: +cmd

;; Got answer:

;; -HEADER- opcode: QUERY, status: NOERROR, id: 43143

;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 8, ADDITIONAL: 9

 

;; OPT PSEUDOSECTION:

; EDNS: version: 0, flags:; udp: 4096

;; QUESTION SECTION:

;swupdl.adobe.com.  IN  A

 

;; ANSWER SECTION:

swupdl.adobe.com.   10761   IN  CNAME   swupdl.wip4.adobe.com.

swupdl.wip4.adobe.com.  561 IN  CNAME
swupdl.adobe.com.edgesuite.net.

swupdl.adobe.com.edgesuite.net. 21561 IN CNAME  a1577.d.akamai.net.

a1577.d.akamai.net. 20  IN  A   95.101.34.43

a1577.d.akamai.net. 20  IN  A   95.101.34.51

 


-

C:\dig www.acer.it @10.39.128.11

 

;  DiG 9.10-P1  www.acer.it @10.39.128.11

;; global options: +cmd

;; Got answer:

;; -HEADER- opcode: QUERY, status: NOERROR, id: 49188

;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 8, ADDITIONAL: 9

 

;; OPT PSEUDOSECTION:

; EDNS: version: 0, flags:; udp: 4096

;; QUESTION SECTION:

;www.acer.it.   IN  A

 

;; ANSWER SECTION:

www.acer.it.275 IN  CNAME   public-akamai.gtm.acer.com.

public-akamai.gtm.acer.com. 6   IN  CNAME   www.acer.com.edgesuite.net.

www.acer.com.edgesuite.net. 21576 INCNAME   a492.b.akamai.net.

a492.b.akamai.net.  20  IN  A   2.228.46.113

a492.b.akamai.net.  20  IN  A   2.228.46.122

 

Regards.

Stefano Chiesa

 

Da: bind-users-boun...@lists.isc.org
[mailto:bind-users-boun...@lists.isc.org] Per conto di IDS Submit
Inviato: mercoledì 22 ottobre 2014 12:30
A: bind-us...@isc.org
Oggetto: Again question about edns (like swupdl.adobe.com)

 

Good morning, 

  

with www.acer.it I have the same problem as swupdl.adobe.com 

  

NXDOMAIN with bind 9.10 but NOERROR with Google DNS 

  

I have read the Mark Andrews reply on july 4 2014: 

-- 

It looks like nameserver vendors are not doing even rudimentry checks like
those above.  DiG has thos options so that we could perform checks like
these. 

  

Until Adobe fix their broken servers you can use a server clause to disable
sending SIT requests to them.  Obviously this does not scale. 

  

  server address { request-sit no; }; 

  

Mark 

-- 

But this doesnt solve the problem on others domains  

 should be possible enable request-sit no for all domains and not
manually add it? 

Because I think there are lot of domains with this problem L 

  

  

-- 

\Server\Bind\bin\dig.exe @81.174.15.142 www.acer.it 

  

;  DiG 9.10.1  @81.174.15.142 www.acer.it 

; (1 server found) 

;; global options: +cmd 

;; Got answer: 

;; -HEADER- opcode: QUERY, status: NXDOMAIN, id: 42228 

;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1 

  

;; OPT PSEUDOSECTION: 

; EDNS: version: 0, flags:; udp: 4096 

;; QUESTION SECTION: 

;www.acer.it.   IN  A 

  

;; ANSWER SECTION: 

www.acer.it.300 IN  CNAME   public-akamai.gtm.acer.com. 

  

;; AUTHORITY SECTION: 

gtm.acer.com.   60  IN  SOA gtm1.acer.com.
hostmaster.gtm1.acer.com. 482 10800 3600 604800 60 

  

;; Query time: 572 msec 

;; SERVER: 81.174.15.142#53(81.174.15.142) 

;; WHEN: Wed Oct 22 12:13:12 ora legale Europa occidentale 2014 

;; MSG SIZE  rcvd: 132 

-- 

  

  

-- 

\Server\Bind\bin\dig.exe @8.8.8.8 www.acer.it 

  

;  DiG 9.10.1  @8.8.8.8 www.acer.it 

; (1 server found) 

;; global options: +cmd 

;; Got answer: 

;; -HEADER- opcode: QUERY, status: NOERROR, id: 34510 

;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1 

  

;; OPT PSEUDOSECTION: 

; EDNS: version: 0, flags:; udp: 512 

;; QUESTION SECTION: 

;www.acer.it.   IN  A 

  

;; ANSWER SECTION: 

www.acer.it.281 IN  CNAME   public

Re: Again question about edns (like swupdl.adobe.com)

2014-10-22 Thread Hauke Lampe

On 22.10.2014 12:30, IDS Submit wrote:

 with www.acer.it I have the same problem as swupdl.adobe.com

Indeed, I the same on a BIND 9.10.1 resolver with SIT requests enabled:

 $ dig swupdl.wip4.adobe.com
[...]
 ;; -HEADER- opcode: QUERY, status: NXDOMAIN, id: 2510
[...]
 wip4.adobe.com.   30  IN  SOA sj1gtm001.adobe.com. 
 hostmaster.sj1gtm001.adobe.com. 1288 10800 3600 604800 60

As the SIT option uses an experimental OPT code for now, you should
expect strange behaviour from a few servers if the option collides with
other experimental code. For example, NSD 2.x responds to BIND's SIT
request with RCODE 17 (BADKEY).


Hauke.

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Re: Again question about edns (like swupdl.adobe.com)

2014-10-22 Thread Mark Andrews


In message 01cfede3$241ccca0$6c5665e0$@ids.it, IDS Submit writes:

 Good morning,

 with www.acer.it I have the same problem as swupdl.adobe.com

 NXDOMAIN with bind 9.10 but NOERROR with Google DNS

 I have read the Mark Andrews reply on july 4 2014:

 --

 It looks like nameserver vendors are not doing even rudimentry checks like
 those above.  DiG has thos options so that we could perform checks like
 these.

 Until Adobe fix their broken servers you can use a server clause to
 disable sending SIT requests to them.  Obviously this does not scale.

   server address { request-sit no; };

 Mark

 --

 But this doesn't solve the problem on others domains .

 . should be possible enable request-sit no for all domains and not
 manually add it?

You can turn it off globally.  request-sit is actually documented.

 Because I think there are lot of domains with this problem L

Servers returning NXDOMAIN to unknown EDNS options don't even raise
a blip in the EDNS compliance testing I've been doing.  They are
extremely rare which is why I suggested the server clause then
complaining.

The only reason you notice them is that they cause operational
problems for you, not because they are common.  This is a normal
psychological reaction.

Dropping the query, formerr, badvers are much more common (multiple
percentage points) and unless the zone is signed these just slow
down rather than prevent the resolution in BIND 9.10.1.  There is
only so much trial and error one can do to get a response.

NXDOMAIN would show up as a status in the various Unknown Option
Failure Reasons graphs of which there were exactly 3 servers on
the 2014-10-21 run, none of which returned NXDOMAIN on examination.

The test script which generates the graphs reference below has been
updated to differentiate NXDOMAIN responses.

http://users.isc.org/~marka/ts.html

Mark

 --

 \Server\Bind\bin\dig.exe @81.174.15.142 www.acer.it

 ;  DiG 9.10.1  @81.174.15.142 www.acer.it
 ; (1 server found)
 ;; global options: +cmd
 ;; Got answer:
 ;; -HEADER- opcode: QUERY, status: NXDOMAIN, id: 42228
 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1

 ;; OPT PSEUDOSECTION:
 ; EDNS: version: 0, flags:; udp: 4096
 ;; QUESTION SECTION:
 ;www.acer.it.   IN  A

 ;; ANSWER SECTION:
 www.acer.it.300 IN  CNAME public-akamai.gtm.acer.com.

 ;; AUTHORITY SECTION:
 gtm.acer.com.   60  IN  SOA gtm1.acer.com.  
 hostmaster.gtm1.acer.com. 482 10800 3600 604800 60

 ;; Query time: 572 msec
 ;; SERVER: 81.174.15.142#53(81.174.15.142)
 ;; WHEN: Wed Oct 22 12:13:12 ora legale Europa occidentale 2014
 ;; MSG SIZE  rcvd: 132

 --





 --

 \Server\Bind\bin\dig.exe @8.8.8.8 www.acer.it



 ;  DiG 9.10.1  @8.8.8.8 www.acer.it

 ; (1 server found)

 ;; global options: +cmd

 ;; Got answer:

 ;; -HEADER- opcode: QUERY, status: NOERROR, id: 34510

 ;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1



 ;; OPT PSEUDOSECTION:

 ; EDNS: version: 0, flags:; udp: 512

 ;; QUESTION SECTION:

 ;www.acer.it.   IN  A



 ;; ANSWER SECTION:

 www.acer.it.281 IN  CNAME
 public-akamai.gtm.acer.com.

 public-akamai.gtm.acer.com. 11  IN  CNAME
 www.acer.com.edgesuite.net.

 www.acer.com.edgesuite.net. 12306 INCNAME   a492.b.akamai.net.

 a492.b.akamai.net.  19  IN  A   88.149.196.137

 a492.b.akamai.net.  19  IN  A   88.149.196.145



 ;; Query time: 60 msec

 ;; SERVER: 8.8.8.8#53(8.8.8.8)

 ;; WHEN: Wed Oct 22 12:14:02 ora legale Europa occidentale 2014

 ;; MSG SIZE  rcvd: 180

 --



 Thanks in advance and best regards



 Staff IDS



-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org
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