Re: [dns-operations] Historical reminiscences (was Re: nsec vs nsec3 use)

2021-04-15 Thread Peter Koch
Hi, On Tue, Apr 13, 2021 at 07:33:53PM -0400, Andrew Sullivan wrote: > TLD, which seemed like a pretty bad barrier. Then (a) certain large > delegation-centric zone operator(s) from Europe (it's now kind of > ironic which the leader was) got a legal opinion that the GDPR would > raise problems

Re: [dns-operations] New OARC Chat Platform

2020-08-26 Thread Peter Koch
Doug, On Tue, Aug 25, 2020 at 07:17:22PM -0700, Doug Barton wrote: > I'm particularly interested in what elements are available for the new > platform that were not available for jabber. how many OARC jabber conversations have you observed or engaged in over the course of the last year? -Peter

Re: [dns-operations] any registries require DNSKEY not DS?

2020-01-22 Thread Peter Koch
On Wed, Jan 22, 2020 at 10:13:40PM +, Tony Finch wrote: > Are there any registries that configure secure delegations from DNSKEY > records (and do their own conversion to DS records) rather than accepting > DS records from the registrant? I think I have heard that .de is one. this is correct.

Re: [dns-operations] Questions about my domain's DNS

2019-11-25 Thread Peter Koch
On Mon, Nov 25, 2019 at 10:20:17PM +0800, Wesley Peng wrote: > When I changed name servers in registrar, won’t they be registered into DE’s > servers automatically? Thank you. without knowing details about the registrar/reseller chain that you might be using, informing the registrar of such a

Re: [dns-operations] [Security] Glue or not glue?

2015-05-04 Thread Peter Koch
On Mon, May 04, 2015 at 09:11:28AM +0200, Stephane Bortzmeyer wrote: agency) recommends to prefer delegations with glue because glueless delegations may carry additional risks since they create a dependency. Is there any other best practices text which makes such a recommendation?

Re: [dns-operations] Stunning security discovery: AXFR may leak information

2015-04-14 Thread Peter Koch
On Tue, Apr 14, 2015 at 10:23:26AM +0200, Stephane Bortzmeyer wrote: https://www.us-cert.gov/ncas/alerts/TA15-103A http://haxpo.nl/haxpo2015ams/sessions/all-your-hostnames-are-belong-to-us/ this latest wave started on golem.de

Re: [dns-operations] Sharing a DNSSEC key between zones

2015-01-10 Thread Peter Koch
On Fri, Jan 09, 2015 at 07:10:28PM +, Tony Finch wrote: There is a paragraph about this at http://users.isc.org/~jreed/dnssec-guide/dnssec-guide.html#same-key-for-multiple-zones the argument regarding the extent of a compromise only holds if you think of cryptanalitic rather than

Re: [dns-operations] DNSSEC on host listed in MNAME

2014-12-23 Thread Peter Koch
Hi Alex, i've been trying to find guidance whether or not the host listed in the MNAME field of the SOA record is required to have the respective zone signed (when it is signed on the authoritative servers, and a secure delegation exists at the parent)? I understand the MNAME host is not

Re: [dns-operations] latest bind, EDNS TCP

2014-10-11 Thread Peter Koch
On Sat, Oct 11, 2014 at 10:21:22AM +0100, Simon Munton wrote: And its been a very sudden change (we can identify the day it started happening) - which suggests code change, as opposed to a config change (i.e. it happened in a number of places at about the same time). no, it may suggest a

Re: [dns-operations] latest bind, EDNS TCP

2014-10-10 Thread Peter Koch
On Fri, Oct 10, 2014 at 02:53:38PM +0100, Simon Munton wrote: I seem to remember someone saying that the latest version of bind starts with bufsize=512, but presumably it will learn a larger bufsize capability, if declared by the responding server? the decreased buffer size is in response

Re: [dns-operations] Introducing CNAME Flattening: RFC-Compliant CNAMEs at a Domain's Root

2014-04-04 Thread Peter Koch
On Fri, Apr 04, 2014 at 09:12:52AM -0700, Edward Lewis wrote: This all smells like something that the IETF is suited to help with. I mean, operators, multiple implementations, desires for interoperability... it appears to me as one of these 'in the privacy of your own bed^Wimplementation'

Re: [dns-operations] should recursors think there are only delegation data in tld name servers?

2014-03-26 Thread Peter Koch
-minimisation-01.txt nonwithstanding). -Peter -- Peter Koch | | p...@denic.de DENIC eG| | +49 69 27235-0 Kaiserstraße 75-77 | | 60329 Frankfurt am Main

Re: [dns-operations] Trustworthiness of PTR record targets

2014-03-04 Thread Peter Koch
On Mon, Mar 03, 2014 at 05:26:54PM +, Stephen Malone wrote: 1. In general, can I trust PTR records? Is ownership of the target domain validated at setup time by ISPs, and if yes, how is this done? the presence and content of a PTR RR is solely controlled by who ever controls the

Re: [dns-operations] signing reverse zones

2014-02-11 Thread Peter Koch
On Mon, Feb 10, 2014 at 03:47:57PM -0800, Mark Boolootian wrote: I'm interested in knowing if it is standard practice amongst folks to sign .arpa zones. probably no more or less than for the forward tree. I find ~ 2000 IN-ADDR.ARPA and IP6.ARPA zones with key material registered in the RIPE

Re: [dns-operations] Is it illegal to query the .berlin TLD servers?

2014-01-11 Thread Peter Koch
On Sat, Jan 11, 2014 at 08:49:15AM -0800, Paul Hoffman wrote: From an operations point of view, this TXT is problematic in that it shows that the zone operator is willing to break its agreement with ICANN without notice. They agreed to only put the following in the TLD zone: ? Apex SOA

Re: [dns-operations] algorithm rollover strategies

2013-11-28 Thread Peter Koch
On Thu, Nov 28, 2013 at 10:16:33AM +0100, Matthijs Mekking wrote: http://tools.ietf.org/html/rfc6840#section-5.11 I will consult the Updated by clause in the RFC index. I will consult the Updated by clause in the RFC index. I will consult ... to make sure that your zone does not go

Re: [dns-operations] algorithm rollover strategies

2013-11-27 Thread Peter Koch
On Wed, Nov 27, 2013 at 08:48:05AM -0500, Edward Lewis wrote: It should be: There MUST be an RRSIG for each RRset using at least one DNSKEY of each algorithm in the zone apex DNSKEY RRset that is also in the DS RRset. The apex DNSKEY RRset itself MUST be signed by each algorithm

Re: [dns-operations] It's begun...

2013-11-14 Thread Peter Koch
On Thu, Nov 14, 2013 at 03:35:24PM +, Dan York wrote: I wonder how much they will be able to sell is.sexy for? last time I looked, Iceland still existed. -Peter ___ dns-operations mailing list dns-operations@lists.dns-oarc.net

Re: [dns-operations] It's begun...

2013-11-14 Thread Peter Koch
On Thu, Nov 14, 2013 at 06:51:02PM +0200, Daniel Kalchev wrote: Was it not proven there is no problem... /s surely not proven, decided maybe. RFC 1535 remains a nice read. As is http://newgtlds.icann.org/en/applicants/agb/guidebook-full-04jun12-en.pdf, therein draft NewgTLD Agreement, page 46

Re: [dns-operations] It's begun...

2013-10-23 Thread Peter Koch
On Wed, Oct 23, 2013 at 04:01:09PM -0400, Edward Lewis wrote: My sensors show 4 new gTLDs in the last hour or so...IDN, non-ccTLD...added between 1800 and 1900 UTC. -. 86400 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2013102300 1800 900 604800 86400 +.

Re: [dns-operations] Should medium-sized companies run their own recursive resolver?

2013-10-15 Thread Peter Koch
On Mon, Oct 14, 2013 at 01:24:27PM -0700, Paul Hoffman wrote: It didn't. That's a useful data point for people creating other protocols who have to listen to commenters who say where resolvers need to be. sure. Yet another instance of the DNS people have said Come on. -Peter

Re: [dns-operations] SUMMARY: Name server turning off RD bit in response - just curious

2012-08-17 Thread Peter Koch
On Fri, Aug 17, 2012 at 01:11:09PM +0200, Faasen, Craig wrote: Thanks to everyone who responded to the question: any idea why a name server would want to change the RD bit ? Consensus is that there is no particular reason and that clients should not care about the RD bit in responses. the

Re: [dns-operations] How to transfer DS records to parent zone?

2012-07-16 Thread Peter Koch
On Mon, Jul 16, 2012 at 10:12:28AM +0200, Patrik Fältström wrote: Done! thanks. PS Thanks for the reminder. There are so many /DNS.*op.*/ mailing lists... yes, and they live in co-existence while serving their respective communities. The thoughts and input generated here is very helpful also

Re: [dns-operations] Minimalistic DNS server for SOA and AXFR

2012-07-16 Thread Peter Koch
On Mon, Jul 16, 2012 at 04:49:08PM +0200, Anand Buddhdev wrote: 1a. return REFUSED responses for any zones I haven't loaded; I'd make a difference between zones supposed to be loaded but not available (SERVFAIL) vs zones intentionally absent (REFUSED). 1c. return a NOERROR response for zones