[outages] WebEx Down

[Scott Howard]

On Thu, Feb 13, 2014 at 11:16 AM, Andrew Sullivan <asullivan at dyn.com> wrote:

> I think that may be a problem at your end, since resolution works just
> fine for me here on at least some of their authoritative name servers.
>

The fact that the original poster in the thread stated that Webex had
confirmed that their service was "down for everyone" probably means that it
was a little more than just my DNS that was broken. The reason it's working
for you know is that the problem appears to have been resolved >10 minutes
before your response.

FWIW (all commands run during the outage) :

$ dig +trace www.webex.com

; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> +trace www.webex.com
;; global options: +cmd
.                       5620    IN      NS      g.root-servers.net.
.                       5620    IN      NS      h.root-servers.net.
.                       5620    IN      NS      i.root-servers.net.
.                       5620    IN      NS      j.root-servers.net.
.                       5620    IN      NS      k.root-servers.net.
.                       5620    IN      NS      l.root-servers.net.
.                       5620    IN      NS      m.root-servers.net.
.                       5620    IN      NS      a.root-servers.net.
.                       5620    IN      NS      b.root-servers.net.
.                       5620    IN      NS      c.root-servers.net.
.                       5620    IN      NS      d.root-servers.net.
.                       5620    IN      NS      e.root-servers.net.
.                       5620    IN      NS      f.root-servers.net.
;; Received 512 bytes from 208.94.242.3#53(208.94.242.3) in 21 ms

com.                    172800  IN      NS      h.gtld-servers.net.
com.                    172800  IN      NS      a.gtld-servers.net.
com.                    172800  IN      NS      l.gtld-servers.net.
com.                    172800  IN      NS      i.gtld-servers.net.
com.                    172800  IN      NS      k.gtld-servers.net.
com.                    172800  IN      NS      b.gtld-servers.net.
com.                    172800  IN      NS      f.gtld-servers.net.
com.                    172800  IN      NS      g.gtld-servers.net.
com.                    172800  IN      NS      d.gtld-servers.net.
com.                    172800  IN      NS      c.gtld-servers.net.
com.                    172800  IN      NS      m.gtld-servers.net.
com.                    172800  IN      NS      e.gtld-servers.net.
com.                    172800  IN      NS      j.gtld-servers.net.
;; Received 503 bytes from 2001:7fe::53#53(2001:7fe::53) in 49 ms

webex.com.              172800  IN      NS      ns01.webex.com.
webex.com.              172800  IN      NS      ns03.webex.com.
webex.com.              172800  IN      NS      ns05.webex.com.
webex.com.              172800  IN      NS      ns06.webex.com.
webex.com.              172800  IN      NS      ns07.webex.com.
webex.com.              172800  IN      NS      ns08.webex.com.
;; Received 241 bytes from 192.55.83.30#53(192.55.83.30) in 353 ms

webex.com.              120     IN      SOA     ns01.webex.com.
csg-dnsadmin.cisco.com. 2013098439 300 3600 604800 120
;; Received 91 bytes from 114.29.195.73#53(114.29.195.73) in 263 ms


$ dig +trace a www.webex.com

; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> +trace a www.webex.com
;; global options: +cmd
.                       5615    IN      NS      f.root-servers.net.
.                       5615    IN      NS      g.root-servers.net.
.                       5615    IN      NS      h.root-servers.net.
.                       5615    IN      NS      i.root-servers.net.
.                       5615    IN      NS      j.root-servers.net.
.                       5615    IN      NS      k.root-servers.net.
.                       5615    IN      NS      l.root-servers.net.
.                       5615    IN      NS      m.root-servers.net.
.                       5615    IN      NS      a.root-servers.net.
.                       5615    IN      NS      b.root-servers.net.
.                       5615    IN      NS      c.root-servers.net.
.                       5615    IN      NS      d.root-servers.net.
.                       5615    IN      NS      e.root-servers.net.
;; Received 512 bytes from 208.94.242.3#53(208.94.242.3) in 20 ms

com.                    172800  IN      NS      b.gtld-servers.net.
com.                    172800  IN      NS      k.gtld-servers.net.
com.                    172800  IN      NS      g.gtld-servers.net.
com.                    172800  IN      NS      f.gtld-servers.net.
com.                    172800  IN      NS      a.gtld-servers.net.
com.                    172800  IN      NS      h.gtld-servers.net.
com.                    172800  IN      NS      m.gtld-servers.net.
com.                    172800  IN      NS      c.gtld-servers.net.
com.                    172800  IN      NS      l.gtld-servers.net.
com.                    172800  IN      NS      j.gtld-servers.net.
com.                    172800  IN      NS      e.gtld-servers.net.
com.                    172800  IN      NS      i.gtld-servers.net.
com.                    172800  IN      NS      d.gtld-servers.net.
;; Received 503 bytes from 2001:7fe::53#53(2001:7fe::53) in 50 ms

webex.com.              172800  IN      NS      ns01.webex.com.
webex.com.              172800  IN      NS      ns03.webex.com.
webex.com.              172800  IN      NS      ns05.webex.com.
webex.com.              172800  IN      NS      ns06.webex.com.
webex.com.              172800  IN      NS      ns07.webex.com.
webex.com.              172800  IN      NS      ns08.webex.com.
dig: couldn't get address for 'ns01.webex.com': no more


  Scott
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