*>>So, if your ISP won't delegate, you're stuck doing two DNS updates whenever you change addresses on something that should have a reverse.*
And what percentage of the A records that you expose to the world need corresponding PTR records? * * *ASB* *http://XeeMe.com/AndrewBaker* *Harnessing the Advantages of Technology for the SMB market… * On Sat, Sep 3, 2011 at 11:57 PM, Kurt Buff <[email protected]> wrote: > So, if your ISP won't delegate, you're stuck doing two DNS updates > whenever you change addresses on something that should have a reverse. > > That's less than ideal, and I'll bet it's also pretty common. > > o- I suppose that means you need to be picky about your ISP, if you're > a business and have choices > > o- Gawd, I can't wait for IPv6 to blossom. That *might* help with this > issue. > > Kurt > > On Sat, Sep 3, 2011 at 04:09, Paul Hutchings <[email protected]> > wrote: > > It depends on your ISP and whether your netblock is tied to them. > > > > If you have PI (provider independent) space you can delegate the DNS > servers at the registry to whoever you wish. > > > > If you have PA (provider allocated) space you're left with your ISP and > whether they will delegate out your block or not. > > > > I've noticed that some DNS providers seem to charge a lot more for > reverse DNS than forward DNS. Not sure there's a technical reason for that > tbh. > > ________________________________________ > > From: Kurt Buff [[email protected]] > > Sent: 03 September 2011 12:53 AM > > To: NT System Admin Issues > > Subject: Re: When DNS for your ISP goes down... > > > > On Fri, Sep 2, 2011 at 12:23, Ben Scott <[email protected]> wrote: > >> On Thu, Sep 1, 2011 at 12:05 PM, Steven Peck <[email protected]> wrote: > >>> If you move your DNS now, your DNS will be ISP vendor > >>> neutral/independent and that's something that can be done > >>> easily now if your connectivity suffers in the future it's one less > >>> thing to do later. > >> > >> +53 > >> > >> Having your DNS tied to your connectivity or web hosting provider is > >> not good. Having it independent means you can change other things > >> much easier. Highly recommended. > >> > >> For example: Suppose you're changing connectivity providers at the > >> office hosting your mail. With independent DNS, you simply add a new > >> A record and a new MX record, leaving the old records intact. You > >> allow time to propagate. Then switch cables, then cancel the old > >> service. Nobody even notices. > >> > >> -- Ben > > > > Forgive the ignorance, but where does this leave PTR records? > > > > Kurt > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to [email protected] with the body: unsubscribe ntsysadmin
