[ale] Digg odditiy?
Robert L. Harris
robert.l.harris at gmail.com
Thu Jun 30 16:33:28 EDT 2016
Yes, if I dig with the cname tag it does resolve:
{0}:/home/nomad/Dropbox/Charter>dig cname www.dropbox.com
; <<>> DiG 9.10.3-P4-Ubuntu <<>> cname www.dropbox.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 9120
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 5
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.dropbox.com. IN CNAME
;; ANSWER SECTION:
www.dropbox.com. 60 IN CNAME www.g1.dropbox.com.
;; AUTHORITY SECTION:
dropbox.com. 171748 IN NS ns-1949.awsdns-51.co.uk.
dropbox.com. 171748 IN NS ns-315.awsdns-39.com.
dropbox.com. 171748 IN NS ns-564.awsdns-06.net.
dropbox.com. 171748 IN NS ns-1162.awsdns-17.org.
;; ADDITIONAL SECTION:
ns-315.awsdns-39.com. 172734 IN A 205.251.193.59
ns-564.awsdns-06.net. 171748 IN A 205.251.194.52
ns-1162.awsdns-17.org. 171748 IN A 205.251.196.138
ns-1949.awsdns-51.co.uk. 171749 IN A 205.251.199.157
;; Query time: 129 msec
;; SERVER: 172.20.0.1#53(172.20.0.1)
;; WHEN: Thu Jun 30 14:30:48 MDT 2016
;; MSG SIZE rcvd: 266
I ran another test with a trace and got this:
http://pastebin.com/uFMvtZhd
On Thu, Jun 30, 2016 at 2:21 PM Scott M. Jones <eff at dragoncon.org> wrote:
> www.dropbox.com is a cname. Have you tried
>
> dig cname www.dropbox.com
>
> ???
>
> scott$ dig cname www.dropbox.com
>
> ; <<>> DiG 9.8.3-P1 <<>> cname www.dropbox.com
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15281
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;www.dropbox.com. IN CNAME
>
> ;; ANSWER SECTION:
> www.dropbox.com. 55 IN CNAME www.g1.dropbox.com.
>
> ;; Query time: 42 msec
> ;; SERVER: 192.168.3.254#53(192.168.3.254)
> ;; WHEN: Thu Jun 30 16:13:38 2016
> ;; MSG SIZE rcvd: 54
>
>
>
> On 6/30/16 3:18 PM, Robert L. Harris wrote:
> >
> > Ok, I know I'm missing something odd here. I can look up dropbox.com
> > <http://dropbox.com> but not www.dropbox.com <http://www.dropbox.com>.
> > It looks like I'm getting a "refused" response from my server. If I do
> > the dig against localhost from the server, I get the exact same
> > results. I've tried enabling recursion {any;} same with listen ( and
> > both of their -on values ).
> >
> > {0}:/etc/bind>dig dropbox.com <http://dropbox.com>
> >
> > ; <<>> DiG 9.9.5-3ubuntu0.8-Ubuntu <<>> dropbox.com <http://dropbox.com>
> > ;; global options: +cmd
> > ;; Got answer:
> > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1729
> > ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 4, ADDITIONAL: 5
> >
> > ;; OPT PSEUDOSECTION:
> > ; EDNS: version: 0, flags:; udp: 4096
> > ;; QUESTION SECTION:
> > ;dropbox.com <http://dropbox.com>. IN A
> >
> > ;; ANSWER SECTION:
> > dropbox.com <http://dropbox.com>. 60 IN A
> > 108.160.172.238
> > dropbox.com <http://dropbox.com>. 60 IN A
> > 108.160.172.206
> >
> > ;; AUTHORITY SECTION:
> > dropbox.com <http://dropbox.com>. 172535 IN NS
> > ns-315.awsdns-39.com <http://ns-315.awsdns-39.com>.
> > dropbox.com <http://dropbox.com>. 172535 IN NS
> > ns-564.awsdns-06.net <http://ns-564.awsdns-06.net>.
> > dropbox.com <http://dropbox.com>. 172535 IN NS
> > ns-1162.awsdns-17.org <http://ns-1162.awsdns-17.org>.
> > dropbox.com <http://dropbox.com>. 172535 IN NS
> > ns-1949.awsdns-51.co.uk <http://ns-1949.awsdns-51.co.uk>.
> >
> > ;; ADDITIONAL SECTION:
> > ns-315.awsdns-39.com <http://ns-315.awsdns-39.com>. 172535 IN A
> > 205.251.193.59
> > ns-564.awsdns-06.net <http://ns-564.awsdns-06.net>. 172536 IN A
> > 205.251.194.52
> > ns-1162.awsdns-17.org <http://ns-1162.awsdns-17.org>. 172536 IN A
> > 205.251.196.138
> > ns-1949.awsdns-51.co.uk <http://ns-1949.awsdns-51.co.uk>. 172536 IN
> > A 205.251.199.157
> >
> > ;; Query time: 40 msec
> > ;; SERVER: 172.20.0.1#53(172.20.0.1)
> > ;; WHEN: Thu Jun 30 13:16:37 MDT 2016
> > ;; MSG SIZE rcvd: 273
> >
> >
> > {0}:/etc/bind>dig www.dropbox.com <http://www.dropbox.com>
> >
> > ; <<>> DiG 9.9.5-3ubuntu0.8-Ubuntu <<>> www.dropbox.com
> > <http://www.dropbox.com>
> > ;; global options: +cmd
> > ;; Got answer:
> > ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 1539
> > ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
> >
> > ;; OPT PSEUDOSECTION:
> > ; EDNS: version: 0, flags:; udp: 4096
> > ;; QUESTION SECTION:
> > ;www.dropbox.com <http://www.dropbox.com>. IN A
> >
> > ;; Query time: 48 msec
> > ;; SERVER: 172.20.0.1#53(172.20.0.1)
> > ;; WHEN: Thu Jun 30 13:16:42 MDT 2016
> > ;; MSG SIZE rcvd: 44
> >
> >
> > Thoughts?
> >
> >
> >
> > _______________________________________________
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>
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