Re: large organization nameservers sending icmp packets to dns servers.

2007-08-06 Thread Duane Wessels
On Mon, 6 Aug 2007, John Levine said: Why would they ping rather than just sending the query to all of the NS and see which one answers first? It's an IP round trip either way. ping targets are of the caching nameserver type, not the authoritative nameserver type. Duane W.

Visualizing the routing table

2007-09-26 Thread Duane Wessels
Hi Folks, I'd like to share with you some recent work I've done on visualizing the routing table. http://maps.measurement-factory.com/gallery/Routeviews/ As the page says, I use the routeviews snapshots to create maps showing the locations and size of each prefix in the table. The IPv4 addres

Re: Visualizing the routing table

2007-09-27 Thread Duane Wessels
On Thu, 27 Sep 2007, Nathan Ward said: Is the older pictures based on older allocation data, or present-day data? I assume you are refering to the labels showing to whom each block is allocated? Those come from IANA's file at http://www.iana.org/assignments/ipv4-address-space, which gives

Re: Problems sending mail from .mumble

2008-04-14 Thread Duane Wessels
Is there an application that treats a local file specifier and a host specifier indistinguishably? If so, how does it deal with strings (like those I listed above) that could potentially be executables as well as domain names? Looking at the 2007 DITL data (traces from DNS roots) its inter

Re: Paul Vixie: Re: [dns-operations] DNS issue accidentally leaked?

2008-07-24 Thread Duane Wessels
On Thu, 24 Jul 2008, Steve Tornio said: doxpara.com tests to lock up my iPhone, or I would use that checker to verify the iPhone DNS. Anyone have a link to a decent test that I could run on the iPhone? Give this one a try: http://entropy.dns-oarc.net/test/

Re: NANOG list errors

2018-07-19 Thread Duane Wessels via NANOG
> On Jul 17, 2018, at 9:24 PM, Andy Ringsmuth wrote: > > Fellow list members, > > The last several days, I’ve been receiving mail forwarding loop errors for > the list. I’ll receive them several hours after sending a message. I’ll paste > the latest two of them below, separated by % symbols