www.heroesonline.com unresolvable via local unbound instance?

Filipe Cifali cifali.filipe at gmail.com
Fri May 3 14:10:42 CEST 2019


This seems like a block form the auth servers, not from ISP.

Maybe someone using your ISP did some attack and got you also in a /24 drop
or even /16.



On Fri, May 3, 2019 at 8:50 AM Todd Blake via Unbound-users <
unbound-users at nlnetlabs.nl> wrote:

> My ISP is Spectrum (Charter) in the US, from what I can tell, they don't
> seem to block much of anything, if anything, at all.
>
> The "fairly common" comment was just a guess on my part as I've never had
> to troubleshoot DNS like this.  I see no logical reason why I shouldn't be
> able to contact their DNS servers.  I was just at a loss as to what the
> issue might be.
>
> Though I also noticed, that if I set my DNS to 8.8.8.8 on my desktop PC,
> and can thusly resolve the domain, I still can't reach the website. This
> smells less like intentional blocking, and more like maybe routing, or some
> other misconfiguration at the host for the domain.
>
> On Fri, May 3, 2019 at 7:37 AM Joe Abley <jabley at hopcount.ca> wrote:
>
>> Hi Tom,
>>
>> On May 2, 2019, at 23:24, Tom Samplonius via Unbound-users
>> <unbound-users at nlnetlabs.nl> wrote:
>>
>> >   It is fairly common for ISPs to block all udp port 53 across their
>> network, and only permit udp port 53 to their own DNS servers.  That is
>> only two ACL rules, so it is very simple to implement.  I would say that in
>> general, port 53 blocking is something that happens less and less.
>>
>> That would spell "support apocalypse" in any residential ISP I've ever
>> used, and a shortcut to "we can't make payroll" via "all the customers
>> have gone". I have never seen it outside hotel/retail guest networks.
>>
>> Do you have any measurements to support "fairly common"? If that's
>> right and my experience is atypical it's the kind of thing I'd like to
>> understand.
>>
>>
>> Joe
>>
>

-- 
[ ]'s

Filipe Cifali Stangler
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