RE: IPv6 automatic reverse DNS

2016-11-01 Thread Woodworth, John R
> Hi John, > > Thanks for the info and background. > > One operational suggestion I have is … why link synthesis rules to a > specific DNS zone? > > Most larger operators of auth DNS use an IP management tool, like BT > Diamond IPAM, BlueCat, or Infoblox. Oftentimes, allocations of IP space > will

RE: IPv6 automatic reverse DNS

2016-11-01 Thread Woodworth, John R
-Original Message- From: NANOG [mailto:nanog-boun...@nanog.org] On Behalf Of White, Andrew > > There are two competing drafts for synthetic rule-based PTR responses > for IPv6 rDNS: > > Howard Lee, Time Warner Cable (now Charter) > https://tools.ietf.org/html/draft-howard-isp-ip6rdns-08 > >

RE: IPv6 automatic reverse DNS

2016-10-31 Thread White, Andrew
andrew.whi...@charter.com<mailto:andrew.whi...@charter.com> From: Woodworth, John R [mailto:john.woodwo...@centurylink.com] Sent: Monday, October 31, 2016 11:04 PM To: White, Andrew; 'nanog@nanog.org' Cc: Ballew, Dean; Woodworth, John R Subject: RE: IPv6 automatic reverse DNS -

Re: IPv6 automatic reverse DNS

2016-10-30 Thread Suzanne Woolf
Hi Wes, > On Oct 29, 2016, at 8:40 AM, Wesley George wrote: > > >> On Oct 28, 2016, at 11:03 PM, White, Andrew >> wrote: >> >> There are two competing drafts for synthetic rule-based PTR responses for >> IPv6 rDNS: >> >> Howard Lee, Time Warner Cable (now Charter) >> https://tools.ietf.org

RE: IPv6 automatic reverse DNS

2016-10-29 Thread Keith Medcalf
On Friday, 28 October, 2016 19:37, Steve Atkins wrote: > > On Oct 28, 2016, at 6:04 PM, Karl Auer wrote: > >> 1b) anti spam filters believe in the magic of checking > >> forward/reverse match. > > Someone in this thread said that only malware-infested end-users are > > behind IP addresses wi

RE: IPv6 automatic reverse DNS

2016-10-29 Thread White, Andrew
r.com -Original Message- From: Wesley George [mailto:wesgeo...@puck.nether.net] Sent: Saturday, October 29, 2016 7:41 AM To: White, Andrew Cc: Steve Atkins; NANOG list Subject: Re: IPv6 automatic reverse DNS > On Oct 28, 2016, at 11:03 PM, White, Andrew wrote: > > There are two compet

Re: IPv6 automatic reverse DNS

2016-10-29 Thread Wesley George
> On Oct 28, 2016, at 11:03 PM, White, Andrew wrote: > > There are two competing drafts for synthetic rule-based PTR responses for > IPv6 rDNS: > > Howard Lee, Time Warner Cable (now Charter) > https://tools.ietf.org/html/draft-howard-isp-ip6rdns-08 > > J. Woodworth, CenturyLink > https://dat

Re: IPv6 automatic reverse DNS

2016-10-28 Thread Karl Auer
On Fri, 2016-10-28 at 18:37 -0700, Steve Atkins wrote: > > On Oct 28, 2016, at 6:04 PM, Karl Auer > > wrote: > > It's fine to use no-reverse-lookup as a component of a spamminess > > score. It's not OK to use it as proof of spamminess. > People running large mailservers made that decision some tim

RE: IPv6 automatic reverse DNS

2016-10-28 Thread White, Andrew
] On Behalf Of Steve Atkins Sent: Friday, October 28, 2016 6:29 PM To: NANOG list Subject: Re: IPv6 automatic reverse DNS > On Oct 28, 2016, at 4:02 PM, Baldur Norddahl > wrote: > > Hello > > Many service providers have IPv4 reverse DNS for all their IP addresses. If > not

Re: IPv6 automatic reverse DNS

2016-10-28 Thread Wesley George
I'd recommend reviewing this document, and contributing as appropriate. I think it covers this pretty thoroughly today, but if there are missing considerations, now is the time to make sure that feedback is captured. https://tools.ietf.org/html/draft-ietf-dnsop-isp-ip6rdns-02

Re: IPv6 automatic reverse DNS

2016-10-28 Thread Steve Atkins
> On Oct 28, 2016, at 6:04 PM, Karl Auer wrote: > >> 1b) anti spam filters believe in the magic of checking >> forward/reverse match. > > Someone in this thread said that only malware-infested end-users are > behind IP addresses with no reverse lookup. Well - no. As long as we > keep telling an

Re: IPv6 automatic reverse DNS

2016-10-28 Thread Karl Auer
On Sat, 2016-10-29 at 01:02 +0200, Baldur Norddahl wrote: > It should be simple to build a DNS server that will automatically  > generate a hostname value for every reverse lookup received, and also > be able to parse that hostname value to return the correct IPv6 > address on forward lookups. > >

Re: IPv6 automatic reverse DNS

2016-10-28 Thread Olivier Benghozi
Already available: KnotDNS. https://www.knot-dns.cz/docs/2.x/html/configuration.html#synth-record-automatic-forward-reverse-records Olivier > On 29 oct. 2016 à 01:02, Baldur Norddahl wr

Re: IPv6 automatic reverse DNS

2016-10-28 Thread Luke Guillory
Why not have DHCP update dns with both. Sent from my iPad > Luke Guillory Network Operations Manager Tel:985.536.1212 Fax:985.536.0300 Email: lguill...@reservetele.com Reserve Telecommunications 100 RTC Dr Reserve, LA 70084

Re: IPv6 automatic reverse DNS

2016-10-28 Thread Steve Atkins
> On Oct 28, 2016, at 4:02 PM, Baldur Norddahl > wrote: > > Hello > > Many service providers have IPv4 reverse DNS for all their IP addresses. If > nothing is more relevant, this will often just be the IPv4 address hashed > somehow and tagged to the ISP domain name. For some arcane reason it

IPv6 automatic reverse DNS

2016-10-28 Thread Baldur Norddahl
Hello Many service providers have IPv4 reverse DNS for all their IP addresses. If nothing is more relevant, this will often just be the IPv4 address hashed somehow and tagged to the ISP domain name. For some arcane reason it is important to have the forward DNS match the reverse DNS or some m