We've noticed that [EMAIL PROTECTED] is no longer a very reliable
form of delivery for alerts from Nagios, et al. It seems as our volume
of alerts has risen, our delivery rate has dropped precipitously.
We don't expect much trying to actually reach a postmaster for vtext.com
so I thought
, for better or worse.
OpenDNS can be an angel on one shoulder while Paxfire is on the other,
right?
Your inference is unfounded.
-David Ulevitch
ps: End of this thread for me. It was dumb to begin with and despite
the flaming, I'm sure a bunch of netops wrote back to the guy offering
to sell
The report states:
Sunday, 24 February 2008, 20:07 (UTC): AS36561 (YouTube) starts announcing 208.65.153.0/24. With two identical prefixes in the routing system, BGP policy rules, such as preferring the shortest AS path, determine which route is chosen. This means that AS17557 (Pakistan
Danny McPherson wrote:
On Feb 29, 2008, at 7:46 AM, David Ulevitch wrote:
It's worth noting that from where I sit, it appears as though none of
Youtube's transit providers accepted this announcement. Only their
peers.
A simple artifact of shortest AS path route selection.
Well, we
Has anyone else noticed that Cogent communities appear to no longer be
taking effect for BGP speaking customers?
Particularly 174:991, 174:3002 and no-export?
Prefixes I'm talking about (if you want to see from your routeview)
include: 208.67.222.0/24 and 208.67.220.0/24 sourced from 36692.
chuck goolsbee wrote:
I thought it would be cool to start up a little co-op in our
building of
copper cross-connects between various providers STRICTLY for OOB network
access. No sales involved, no revenue, strictly butt-saving OOB access.
I was actually getting traction until one ... for
Stephen Wilcox wrote:
On 17 Oct 2007, at 20:55, Bradley Urberg Carlson wrote:
Thanks for the suggestions.
On Oct 17, 2007, at 6:06 PM, Stephen Wilcox wrote:
well.. the problem of course is that you pull in the traffic from the
aggregate transit prefix which costs you $$$ but then you
Justin Scott wrote:
As an operator of both free and paid DNS services, I wish there was a
quick and easy way to pull a list of all of the zones that were
delegated to a specific IP address. I say IP because people can now
register their own DNS name servers at the registrar and use our IP
Yes, their status page is not accurate. We're seeing traffic hitting
the bitbucket at various locations on their network including Dallas
(IAH) and Ashburn (IAD). It's be nice if they pulled their routes for
this stuff.
For example:
traceroute to grouse.dabbledb.com (64.15.129.72), 64
extend the same offer back to you.
Replies off-list please.
Thanks,
David Ulevitch
Randy Bush wrote:
i.e., it's time to turn it off. you are damaging your customers and
others' customers.
There is a growing number of Tier 1 NSPs who do not dampen anymore (or
at least they don't dampen their customers).
NTT is one of them. Who are the others?
-David
Douglas Otis wrote:
On May 22, 2007, at 2:16 PM, Gadi Evron wrote:
On Tue, 22 May 2007, David Ulevitch wrote:
These questions, and more (but I'm biased to DNS), can be solved at
the edge for those who want them. It's decentralized there. It's
done the right way there. It's also doable
and should not be the rule.
People are suggesting it become the rule because nobody is trying
anything else.
-David Ulevitch
is mostly not an edge issue.
I disagree. DNS is the enabler for many many issues which are edge
issues. (Botnets, spam, etc)
-David Ulevitch
Gadi.
-David Ulevitch
Fergie wrote:
David,
As you (and some others) may be aware, that's an approach that we
(Trend Micro) took a while back, but we got a lot (that's an
understatement) of push-back from service providers, specifically,
because they're not very inclined to change out their infrastructure
(in this
Roger Marquis wrote:
Simply
saying it is dangerous is indistinguishable from any other verisign
astroturfing.
It's not everyday that you get accused of astroturfing for Verisign.
I'm printing this, framing it, putting it on my wall, and leaving this
thread.
Thanks!
-David
Philip Lavine wrote:
Any issues on the qwest backbone
Something fun up in SEA.
We see 701 down and 2914 down in the westin building as of about 10-15
minutes ago.
-david
Looking for a deal?
David Ulevitch wrote:
Philip Lavine wrote:
Any issues on the qwest backbone
Something fun up in SEA.
We see 701 down and 2914 down in the westin building as of about 10-15
minutes ago.
Nevermind, 2914 and 701 were fine. It was qworst causing fun churn.
Thanks to 2914 for emailing me
Paul Vixie wrote:
...
Back to reality and 2007:
In this case, we speak of a problem with DNS, not sendmail, and not bind.
As to blacklisting, it's not my favorite solution but rather a limited
alternative I also saw you mention on occasion. What alternatives do you
offer which we can use
You broke the zone for ATT.com.
That's probably not good.
-david
$ dig @ns3.attdns.com att.com
; DiG 9.2.2 @ns3.attdns.com att.com
;; global options: printcmd
;; Got answer:
;; -HEADER- opcode: QUERY, status: NXDOMAIN, id: 940
;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0,
).
The fact that the option is the default without being explicit means
that at least some folks don't even know maps.vix.com zones are no
longer present and the current failure case is not impacting them.
-david ulevitch
Rodrick Brown wrote:
On 1/20/07, Mark Boolootian [EMAIL PROTECTED] wrote:
Cringley has a theory and it involves Google, video, and oversubscribed
backbones:
http://www.pbs.org/cringely/pulpit/2007/pulpit_20070119_001510.html
The following comment has to be one of the most important
on the network (at least on the edge) will
improve economic models or maybe we'll see eyeball networks start to
peer with each other as they start sourcing more and more of the bits.
Maybe that's already happening.
-david
On 1/20/07, *David Ulevitch* [EMAIL PROTECTED]
mailto:[EMAIL
Dennis Dayman wrote:
I have a customer having some DNS issues. They have done some research
regarding some DNS timeout errors they saw with Verizon's sender verify
looking up their MX records. What they have discovered is their current
DNS service has a 1% failure/timeout rate. They are
Thanks to netops at: nLayer, Cogent, HE for working tirelessly to help
mitigate this.
No thanks to Level(3) despite the best intentions of one sec-ops person
(Richard).
-david
Nate Carlson wrote:
On Fri, 1 Dec 2006, david raistrick wrote:
got off the phone with davidu just a second
We're seeing a number of issues with WorldNIC nameservers failing
from multiple points on our network this morning and was wondering if
anyone was seeing similar problems.
We're seeing issues with:
ns47.worldnic.com (domain: cpurocket.com)
ns48.worldnic.com (domain: cpurocket.com)
On Sep 5, 2006, at 6:52 AM, Joe Abley wrote:
On 5-Sep-2006, at 09:31, Tim Donahue wrote:
Does anyone know if Verizon has a publicly accessable looking glass?
There is not one listed on bgp4.net nor could I find one searching
Google.
It might pay to specify exactly which AS number you're
you might have for someone who is considering doing this?
Providers to shy away from? Providers who are pretty good?
Thanks,
David Ulevitch
On Sep 1, 2006, at 6:33 PM, Brandon Galbraith wrote:
I never understood why Gmail didn't put an X-Originating-From
header in mail sent out by web users.
Seconded! It may not be a requirement but the omission is certainly
inconsistent with most web-based email services, particularly a
On Aug 2, 2006, at 2:03 PM, Sean Donelan wrote:
There seems to be DNSBL's for every other thing, I was expecting to
find
one for parked domain names or the server IP addresses used.
That's not hard. It's the value of providing it I question. It only
encourages them to start putting
On Jul 24, 2006, at 6:18 AM, Jim Mercer wrote:
the company i'm working for has a growing list of domains for the
company
and its trademarks.
are there resellers out there that have agreements with _most_ TLD
registries?
i realize that i won't likely find a single reseller for all the
a
substantive lack of clue, at this point it should be clear that such
a comparison is inappropriate. That said, I'm still working on
messaging -- going from someone who talks about DNS to someone who
talks about DNS and gets some press about it is new to me. Cool, but
new. ;-)
Best,
David
On Jul 11, 2006, at 12:09 AM, Stephane Bortzmeyer wrote:
On Mon, Jul 10, 2006 at 11:19:51PM -0700,
Steve Sobol [EMAIL PROTECTED] wrote
a message of 16 lines which said:
There's a big difference, of course, between INTENTIONALLY pointing
your computers at DNS servers that do this kind of
a long time in the making
and make a lot of sense. Perhaps we can work on our messaging to
more technical audiences. :-)
Best,
David Ulevitch
From their FAQ:
--
Why is OpenDNS smarter?
We fix typos in the URLs you enter whenever we can. For example, if
you're using OpenDNS
On May 25, 2006, at 5:37 AM, Niels Bakker wrote:
* [EMAIL PROTECTED] (Gadi Evron) [Thu 25 May 2006, 12:38 CEST]:
Sometimes being quiet is not going to win the war.
It would behoove you, however, to not cry wolf so often
Maybe it would behoove network operators to not encourage kids to
On May 11, 2006, at 11:28 PM, Martin Hannigan wrote:
Im having an offline discussion with a list member and I'll ask,
why does it matter if
you have a domain name if a directory can hold everything you need
to know about them
via key words and ip-addrs, NAT's and all?
It's all about
On Mar 24, 2006, at 8:12 AM, Lucy E. Lynch wrote:
On Fri, 24 Mar 2006, David Ulevitch wrote:
On Mar 24, 2006, at 6:50 AM, Lucy E. Lynch wrote:
edu skimming - try http://umich.edu.com/
While it's kinda lame it is far from a phishing site. They even
say on the submit form: Yes! I'd
On Mar 13, 2006, at 8:16 PM, Martin Hannigan wrote:
Better yet, why don't the registrars police themselves?
Many do. They just don't police each other.
-david
On Jan 30, 2006, at 10:25 PM, davidu wrote:
WARNING: WinProxy has detected a virus in file
attached to this e-mail message!
I'm a mac/unix guy -- I promise. :-)
That email did not come from me, but this one did.
-david
On Jan 19, 2006, at 8:08 AM, [EMAIL PROTECTED] wrote:
On Thu, 19 Jan 2006 15:11:18 GMT, Sam Stickland said:
I can't of course start naming our clients. I could harp on about
how they
are a multinational, running legimate operations and blah blah
blah.. But
you'd only have my word for it.
On Jan 19, 2006, at 3:44 PM, Paul Vixie wrote:
proving once again that peering ratios only matter if the other
guy's
customers can live without your assymetric content.
I'm sure the hardware vendors don't mind the prospect of wide-scale
cycle-intensive QoS being deployed on large
On Nov 18, 2005, at 10:11 AM, Niels Bakker wrote:
Dear Randy:
* [EMAIL PROTECTED] (Randy Bush) [Fri 18 Nov 2005, 18:40 CET]:
anyone at seattle westin have something that talks serial so i can
deal with a freaked 2511 oob through its console?
Don't you agree that this would be more
On Sep 16, 2005, at 2:48 PM, Matt Bazan wrote:
Actually, not the case. CDW and Dell (and all the others) only
publish
their prices for the low end gear that they sell. Anything else
requires a call to a rep and establishing a relationship.
This is not true, particularly with places like
On Sep 13, 2005, at 1:13 PM, Fergie (Paul Ferguson) wrote:
Attempts by agencies to spur the Federal Emergency Management
Agency into urgent action were met with bouncing emails, the
Journal said.
http://www.fema.gov/staff/extended.jsp
Lists an IT Services Division that has ~250
On Sep 13, 2005, at 11:13 AM, Hannigan, Martin wrote:
ObOp: Email is NOT a reliable form of communication.
^^^ unrelated and I disagree...
DHS shouldn't start to think so either. NANOG
shouldn't worry about if someones email is working
as a byproduct, but sure
On Sep 2, 2005, at 5:27 PM, Roy Badami wrote:
Is the named.root file on ftp.internic.net defunct now then? Because
it is dated 2004 and contains no records...
Nope. Not defunct.
Apples: http://www.internic.net/zones/named.root
and
Oranges: http://www.internic.net/zones/root.zone
On Aug 15, 2005, at 9:39 PM, Hannigan, Martin wrote:
the
summaries are primarily useful for CC's that are still alive
a month later
even though plenty of notices have been sent to the relevant
NOC's. in
other words it's sort of like defcon's wall of sheep. i
like the approach.
Wall of
quote who=Jason Lewis
What if someone actually had the skills to disrupt BGP on a widescale?
I think the media talk about taking down the Internet are kind of bogus.
Nobody has ever died because they couldn't check their email.
If the net went down for an hour, a day, or even a week I think
quote who=Martin Hannigan
On Tue, 18 Jun 2002, blitz wrote:
Adelphia announced price increases today 90 cents a month for
cable TV, bringing the package to about $39. a month in Buffalo, and
$41. outside. Also they increased the powerlink cablemodem $2.00 a
month. (this is the second
bert hubert said:
[SNIP]
I argued about this with them *at length* and they kept inventing more
reasons why I was breaking RFC compliance. They even told me they
couldn't accept my nameservers as these would 'waste bandwidth' which
was 'terriby expensive' in South Africa. It probably is,
Hello Conrad,
Monday, April 8, 2002, 2:55:01 PM, you wrote:
NickCatal naa.. my job in the new company is to make ideas and provide a
public face to the company.. a 14 year old selling enterprise hosting
looks good on Leno
CAR Come on now, he's one of those 14 year old wonder kids that will
no response for over three weeks.
Email is unanswered.
I just need a warm bodied person to contact to resolve some DNS
issues they are having. (dnsadmin@ and dnstech@ all go unanswered)
Thanks,
David Ulevitch mailto:[EMAIL PROTECTED]
Founder, EveryDNS.net
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