[outages] comcast dns issues today?
Josh Luthman
josh at imaginenetworksllc.com
Wed Jul 28 13:31:54 EDT 2010
Note that 68.87.72.130 took several seconds to respond.
C:\Users\jluthman>dig www.thruway.ny.gov @68.87.77.130
; <<>> DiG 9.3.2 <<>> www.thruway.ny.gov @68.87.77.130
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1343
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;www.thruway.ny.gov. IN A
;; ANSWER SECTION:
www.thruway.ny.gov. 38400 IN CNAME www.wip.thruway.ny.gov.
www.wip.thruway.ny.gov. 30 IN A 208.105.158.48
;; Query time: 274 msec
;; SERVER: 68.87.77.130#53(68.87.77.130)
;; WHEN: Wed Jul 28 13:30:53 2010
;; MSG SIZE rcvd: 74
C:\Users\jluthman>dig www.thruway.ny.gov @68.87.72.130
; <<>> DiG 9.3.2 <<>> www.thruway.ny.gov @68.87.72.130
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1500
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;www.thruway.ny.gov. IN A
;; ANSWER SECTION:
www.thruway.ny.gov. 37594 IN CNAME www.wip.thruway.ny.gov.
www.wip.thruway.ny.gov. 30 IN A 161.11.122.48
;; Query time: 209 msec
;; SERVER: 68.87.72.130#53(68.87.72.130)
;; WHEN: Wed Jul 28 13:31:23 2010
;; MSG SIZE rcvd: 74
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
On Wed, Jul 28, 2010 at 1:29 PM, Jared Mauch <jared at puck.nether.net> wrote:
> I'm finding certain dns queries result in them responding from the "wrong" address on their (apparently) anycasted load-balancer nodes.
>
> take for example: www.thruway.ny.gov
>
> - Jared
>
> On Jul 28, 2010, at 1:27 PM, Josh Luthman wrote:
>
>> Works for me. Coming from 74.218.88.134
>>
>> C:\Users\jluthman>dig google.com @68.87.72.130
>>
>> ; <<>> DiG 9.3.2 <<>> google.com @68.87.72.130
>> ; (1 server found)
>> ;; global options: printcmd
>> ;; Got answer:
>> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1358
>> ;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0
>>
>> ;; QUESTION SECTION:
>> ;google.com. IN A
>>
>> ;; ANSWER SECTION:
>> google.com. 178 IN A 74.125.95.99
>> google.com. 178 IN A 74.125.95.147
>> google.com. 178 IN A 74.125.95.104
>> google.com. 178 IN A 74.125.95.106
>> google.com. 178 IN A 74.125.95.105
>> google.com. 178 IN A 74.125.95.103
>>
>> ;; Query time: 25 msec
>> ;; SERVER: 68.87.72.130#53(68.87.72.130)
>> ;; WHEN: Wed Jul 28 13:26:20 2010
>> ;; MSG SIZE rcvd: 124
>>
>>
>> C:\Users\jluthman>dig google.com @68.87.7.130
>> ^C
>> C:\Users\jluthman>dig google.com @68.87.77.130
>>
>> ; <<>> DiG 9.3.2 <<>> google.com @68.87.77.130
>> ; (1 server found)
>> ;; global options: printcmd
>> ;; Got answer:
>> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1226
>> ;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0
>>
>> ;; QUESTION SECTION:
>> ;google.com. IN A
>>
>> ;; ANSWER SECTION:
>> google.com. 218 IN A 209.85.225.103
>> google.com. 218 IN A 209.85.225.99
>> google.com. 218 IN A 209.85.225.104
>> google.com. 218 IN A 209.85.225.147
>> google.com. 218 IN A 209.85.225.106
>> google.com. 218 IN A 209.85.225.105
>>
>> Josh Luthman
>> Office: 937-552-2340
>> Direct: 937-552-2343
>> 1100 Wayne St
>> Suite 1337
>> Troy, OH 45373
>>
>>
>> On Wed, Jul 28, 2010 at 12:53 PM, Jared Mauch <jared at puck.nether.net> wrote:
>>>
>>> Anyone else notice issues with comcast dns servers today? It seems in the past 20 minutes their 'anycast' instances have started returning packets from the wrong source ip when querying the following:
>>>
>>> nameserver 68.87.72.130
>>> nameserver 68.87.77.130
>>>
>>> 2010/07/28 12:41:47| WARNING: Reply from unknown nameserver 68.87.72.132:53
>>> 2010/07/28 12:41:53| WARNING: Reply from unknown nameserver 68.87.77.131:53 (retrying...6<=60)
>>> 2010/07/28 12:41:58| WARNING: Reply from unknown nameserver 68.87.72.131:53 (retrying...11<=60)
>>> 2010/07/28 12:42:09| WARNING: Reply from unknown nameserver 68.87.77.132:53 (retrying...22<=60)
>>> 2010/07/28 12:42:17| WARNING: Reply from unknown nameserver 68.87.72.132:53 (retrying...30<=60)
>>> 2010/07/28 12:42:39| WARNING: Reply from unknown nameserver 68.87.77.131:53 (retrying...52<=60)
>>> 2010/07/28 12:42:57| WARNING: Reply from unknown nameserver 68.87.72.131:53
>>> 2010/07/28 12:43:21| WARNING: Reply from unknown nameserver 68.87.72.132:53 (retrying...24<=60)
>>> 2010/07/28 12:43:27| WARNING: Reply from unknown nameserver 68.87.77.132:53 (retrying...30<=60)
>>> 2010/07/28 12:43:30| WARNING: Reply from unknown nameserver 68.87.72.132:53 (retrying...33<=60)
>>> 2010/07/28 12:43:39| WARNING: Reply from unknown nameserver 68.87.77.131:53 (retrying...42<=60)
>>> 2010/07/28 12:43:42| WARNING: Reply from unknown nameserver 68.87.77.131:53 (retrying...45<=60)
>>> 2010/07/28 12:43:52| WARNING: Reply from unknown nameserver 68.87.72.131:53 (retrying...55<=60)
>>> 2010/07/28 12:44:11| WARNING: Reply from unknown nameserver 68.87.77.131:53
>>> 2010/07/28 12:44:31| WARNING: Reply from unknown nameserver 68.87.72.131:53 (retrying...20<=60)
>>> 2010/07/28 12:45:12| WARNING: Reply from unknown nameserver 68.87.77.131:53
>>> 2010/07/28 12:45:57| WARNING: Reply from unknown nameserver 68.87.72.132:53 (retrying...45<=60)
>>> 2010/07/28 12:46:02| WARNING: Reply from unknown nameserver 68.87.77.132:53 (retrying...50<=60)
>>> 2010/07/28 12:46:07| WARNING: Reply from unknown nameserver 68.87.72.132:53 (retrying...55<=60)
>>> 2010/07/28 12:46:16| WARNING: Reply from unknown nameserver 68.87.77.132:53
>>> 2010/07/28 12:46:27| WARNING: Reply from unknown nameserver 68.87.72.131:53 (retrying...11<=60)
>>> 2010/07/28 12:46:47| WARNING: Reply from unknown nameserver 68.87.77.131:53 (retrying...31<=60)
>>> 2010/07/28 12:46:49| WARNING: Reply from unknown nameserver 68.87.72.131:53 (retrying...33<=60)
>>> 2010/07/28 12:46:55| WARNING: Reply from unknown nameserver 68.87.77.132:53 (retrying...39<=60)
>>> 2010/07/28 12:47:00| WARNING: Reply from unknown nameserver 68.87.72.132:53 (retrying...44<=60)
>>> 2010/07/28 12:47:07| WARNING: Reply from unknown nameserver 68.87.72.131:53 (retrying...51<=60)
>>> 2010/07/28 12:47:10| WARNING: Reply from unknown nameserver 68.87.77.132:53 (retrying...54<=60)
>>> 2010/07/28 12:47:20| WARNING: Reply from unknown nameserver 68.87.72.131:53
>>> 2010/07/28 12:47:40| WARNING: Reply from unknown nameserver 68.87.77.131:53 (retrying...20<=60)
>>> 2010/07/28 12:47:47| WARNING: Reply from unknown nameserver 68.87.77.131:53 (retrying...27<=60)
>>> 2010/07/28 12:48:00| WARNING: Reply from unknown nameserver 68.87.72.132:53 (retrying...40<=60)
>>> 2010/07/28 12:48:40| WARNING: Reply from unknown nameserver 68.87.77.131:53
>>>
>>>
>>>
>>> _______________________________________________
>>> Outages mailing list
>>> Outages at outages.org
>>> https://puck.nether.net/mailman/listinfo/outages
>
>
More information about the Outages
mailing list