<!doctype html public "-//W3C//DTD W3 HTML//EN"> <html><head><style type="text/css"></style><title>Re: [dns-wg] request about RIPE vs. ISP and RFC 1912, 2.1</title></head><body> <div>At 17:23 +0200 10/15/10, thoma spolnik wrote:</div> <div><br></div> <div>>That's fine. So I hope to find an answer. Must an _public_ IP address have</div> <div>>a PTR or not?</div> <div><br></div> <div>The short answer is no.</div> <div><br></div> <div>To give you an idea of how much debatehas occurred over that question, that question was considered inside the IETF (the de facto Internet engineering standards body) for over 5 years and there was no positive or really definitive outcome.</div> <div><br></div> <div>In 2000 this proposal was submitted http://tools.ietf.org/html/draft-senie-inaddr-required-00 and was revised over the period of 5 years to be this proposal (within one of the official working groups) http://tools.ietf.org/html/draft-ietf-dnsop-inaddr-required-07). Still, no RFC emerged from all this (meaning it failed to pass all of the review cycles).</div> <div><br></div> <div>You may notice the title changed from :</div> <div><br></div> <div>Requiring DNS IN-ADDR Mapping</div> <div><br></div> <div>to</div> <div><br></div> <div>Encouraging the use of DNS IN-ADDR Mapping</div> <div><br></div> <div>and even that wasn't agreed upon.</div> <x-sigsep><pre>-- </pre></x-sigsep> <div >-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=<span ></span>-=-=-=-</div> <div>Edward Lewis <span ></span> <br> NeuStar <span ></span> You can leave a voice message at +1-571-434-5468</div> <div><br></div> <div>Ever get the feeling that someday if you google for your own life story,</div> <div>you'll find that someone has already written it and it's on sale at Amazon?</div> </body> </html>