Problem looking up domain dryfire.com

Mukund Sivaraman muks at isc.org
Tue Aug 16 10:21:46 UTC 2016


On Tue, Aug 16, 2016 at 11:04:14AM +0200, Eivind Olsen wrote:
> Hello.
> 
> I'm seeing some odd problems where BIND (9.10.4-P2) has issues resolving
> getsurfed.com. This is when using the "510 Software Group" BIND 9.10 for
> RHEL/CentOS/Fedora.
> 
> I can do manual lookups of the domain with "dig" and point it to their
> servers (dns0.getsurfed.com, dns1.getsurfed.com) but it fails for me if I go
> through my BIND installation.
> 
> The named.run log contains lines like this:
> 
> 16-Aug-2016 10:48:40.693 lame-servers: info: 17 unexpected RCODE resolving
> 'dryfire.com/NS/IN': 213.162.97.178#53
> 16-Aug-2016 10:48:40.749 lame-servers: info: 17 unexpected RCODE resolving
> 'dryfire.com/NS/IN': 213.162.97.177#53
> 
> A search for "17 unexpected RCODE" seems to indicate this might be caused by
> incompatibility between SIT/DNS cookies and older versions of NSD. Is this
> also what's happening in my case here?

Possibly:

[muks at jurassic bind9]$ bin/dig +cookie @dns0.getsurfed.com. getsurfed.com.

; <<>> DiG 9.11.0a3 <<>> +cookie @dns0.getsurfed.com. getsurfed.com.
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: ?17, id: 39495
;; flags: qr rd ad; QUERY: 0, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; Query time: 189 msec
;; SERVER: 213.162.97.177#53(213.162.97.177)
;; WHEN: Tue Aug 16 15:50:50 IST 2016
;; MSG SIZE  rcvd: 23

[muks at jurassic bind9]$ bin/dig +nocookie @dns0.getsurfed.com. getsurfed.com.

; <<>> DiG 9.11.0a3 <<>> +nocookie @dns0.getsurfed.com. getsurfed.com.
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 38178
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 3
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;getsurfed.com.			IN	A

;; ANSWER SECTION:
getsurfed.com.		21600	IN	A	213.162.97.82

;; AUTHORITY SECTION:
getsurfed.com.		21600	IN	NS	dns0.getsurfed.com.
getsurfed.com.		21600	IN	NS	dns1.getsurfed.com.

;; ADDITIONAL SECTION:
dns0.getsurfed.com.	3600	IN	A	213.162.97.177
dns1.getsurfed.com.	3600	IN	A	213.162.97.178

;; Query time: 189 msec
;; SERVER: 213.162.97.177#53(213.162.97.177)
;; WHEN: Tue Aug 16 15:50:52 IST 2016
;; MSG SIZE  rcvd: 128

[muks at jurassic bind9]$ 

		Mukund
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