[nsp-sec] 4.2.2.2 DNS wierdness ??
Lawrence Baldwin
baldwinl at mynetwatchman.com
Fri Oct 24 15:03:10 EDT 2014
For some reason impact was regional (Atlanta)..L3 threw pixie dust on it
and works great now. What (non)customer service!
lb.
On 10/20/2014 12:28 PM, Lawrence Baldwin wrote:
> ----------- nsp-security Confidential --------
>
> Anyone noticing issues with this much used open resolver?
>
>
> $ nslookup
>> server 4.2.2.2
> Default server: 4.2.2.2
> Address: 4.2.2.2#53
>> budget.com
> ;; connection timed out; trying next origin
> Server: 4.2.2.2
> Address: 4.2.2.2#53
>
> ** server can't find budget.com: NXDOMAIN
>
>> www.google.com
> Server: 4.2.2.2
> Address: 4.2.2.2#53
>
> Non-authoritative answer:
> Name: www.google.com
> Address: 74.125.229.177
> Name: www.google.com
> Address: 74.125.229.179
> Name: www.google.com
> Address: 74.125.229.180
> Name: www.google.com
> Address: 74.125.229.176
> Name: www.google.com
> Address: 74.125.229.178
>
>
>> booking.com
> Server: 4.2.2.2
> Address: 4.2.2.2#53
>
> ** server can't find booking.com: NXDOMAIN
>
>
> Had some of our stuff using it to resolve and was causing a ton of
> problems since it seems to NOT want to resolve bunches of
> domains..things got real bad when it stopped resolving pool.ntp.org
> (though that seems to be working now).
>
>
--
Lawrence Baldwin
Chief Forensics Officer
myNetWatchman.com
Atlanta, GA
+1.678.624.0924
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