Dear colleagues, On Tue, Apr 01, 2008 at 10:36:28AM -0400, Edward Lewis wrote:
> Multiple PTR records can be stored in a single PTR RRset. If a > device at an IP address (v4 or v6) has multiple identities with > domain names, it would be good to have a PTR for each. However, this > is not always practical. In some operational situations, an address > may have thousands of domain names holding an address record (A or > AAAA) with the address as the value. > > The number of address records in an PTR set before tripping the upper > limit on what can fit on even a TCP carried DNS message is > approximately 4000 for A RR only and about 2000 for AAAA RR only. > > If an address has just a few corresponding forward map records, it is > worth entering them all. If an address has many, a better strategy > is to enter a few as is needed, adding more only when there is an > operational request. I'm inclined to add this text. I'd like additional expressions of support (or edits, or whatever) from the WG to confirm my inclination. Thanks, A -- Andrew Sullivan [EMAIL PROTECTED] +1 503 667 4564 x104 http://www.commandprompt.com/ _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
