In our organization, we use DNS servers from the registrar itself, or use nameservers across different blocks. Most of them are in the cloud already.
On Mon, Oct 4, 2010 at 10:33 AM, Allan E. Registos < [email protected]> wrote: > Yes, that would mean a virtual machine for another DNS is not an ideal > solution = if the host OS goes down and network problems, but for other DNS > software related problems, the virtual machine is still capable of backing > up, I think this is a poor setup. My current company setup is we do not > have DNS servers on our own but hosted at ISP(PLDT). Registrar's built in > DNS servers won't resolve to correct hostnames. > > > ------------------------------ > *From: *"hard wyrd" <[email protected]> > > *To: *"Mailing List para sa Ubuntu Pilipinas (Philippines)" < > [email protected]> > *Sent: *Monday, October 4, 2010 10:03:52 AM > > *Subject: *Re: [Ubuntu-PH] DNS Setup > > Yeah that could work as well. However, I dont think it's ideal practice > since if your link goes down, there's no DNS service to fallback to. And > some registrars detect if the nameservers are on the same IP block. > > > > On Mon, Oct 4, 2010 at 10:00 AM, strong007 <[email protected]> wrote: > >> I believed it's possible to put two nameservers(having the same IP) with >> different names on your registrar >> >> >> On Monday, 04 October, 2010 09:37 AM, hard wyrd wrote: >> >> I think he needs two DNS servers (usual requirement from the registrar) >> that's publicly accessible. Doesn't have to be behind NAT. And since he has >> only one public IP address, he can setup a secondary DNS service somewhere >> else - zoneedit perhaps. >> >> On Mon, Oct 4, 2010 at 9:26 AM, Allan E. Registos < >> [email protected]> wrote: >> >>> Hi, >>> >>> The way I understood your problem is that you need two DNS servers >>> behind NAT and you must setup two DNS servers. As others indicated, the 1st >>> step of the solution is port-forwarding, the way you setup your webserver in >>> your router. Second is you need two public IP addresses, one for your web >>> server and at the same time a primary (can be secondary) DNS server, the >>> other public IP is for the second/secondary DNS server. At least you need >>> two machines behind NAT to power your Web and DNS servers. If your main >>> machine is powerful enough, you can easily setup a virtual machine as a >>> secondary or primary DNS server. >>> >>> Cheers, >>> Allan >>> >>> >>> ------------------------------ >>> *From: *"Eduardo Bergavera" <[email protected]> >>> *To: *"Mailing List para sa Ubuntu Pilipinas (Philippines)" < >>> [email protected]> >>> *Sent: *Friday, October 1, 2010 7:30:12 PM >>> *Subject: *Re: [Ubuntu-PH] DNS Setup >>> >>> >>> Hi, >>> >>> Thank you for your replies. PHNET is the registry for the EDU.PH >>> domain name. The provide domain registration, DNS hosting and web >>> hosting services. However, we would like to run our own DNS for this >>> purpose. Indeed for the setup that's behind the NAT port-forwarding is >>> the solution. PHNET requires that you must register at least 2 >>> nameservers for validation. I will try to contact PHNET on this issue. >>> Thanks again guys for your helpful suggestions. >>> >>> Mabuhay UBUNTU-PH community! >>> >>> On Fri, Oct 1, 2010 at 5:54 PM, Gabriel Briones <[email protected]> >>> wrote: >>> > Hi, >>> > I've been doing DNS behind NAT before and it;s pretty straightforward >>> to >>> > setup. >>> > Just NAT the DNS traffic the same way as you're NAT'ting the web server >>> and >>> > it should be fine. >>> > >>> > >>> > >>> > On Fri, Oct 1, 2010 at 5:48 PM, Eduardo Bergavera < >>> [email protected]> >>> > wrote: >>> >> >>> >> Gud day to all! >>> >> >>> >> I don't think if it's a noob question. I am planning to setup a DNS >>> >> however this server is behind the NAT firewall. In this situation the >>> >> DNS and as well as the Web server shares the same public IP. Our >>> >> gateway router san only support ONE public IP address to be >>> >> configured. the PH.net which is the domain registrar for EDU.PH >>> >> requires applicants to register at least 2 nameserver IP address. >>> >> Setting up DNS is straightforward however having it behind the NAT is >>> >> a different issue. I would like to solicit your ideas or any possible >>> >> ways to do this. Hoping for your help on this matter. >>> >> >>> >> Thanks. >>> >> >>> >> -- >>> >> Eduardo D. Bergavera, Jr. >>> >> IT Instructor >>> >> Davao del Norte State College >>> >> Panabo City, Philippines 8105 >>> >> Tel. #: (084) 628 4301 >>> >> email: [email protected] >>> >> OpenID: >>> >> https://launchpad.net/~edbergavera<https://launchpad.net/%7Eedbergavera> >>> >> ACM Professional Member: >>> >> http://member.acm.org/~edbergavera<http://member.acm.org/%7Eedbergavera> >>> >> >>> >> -- >>> >> ubuntu-ph mailing list >>> >> [email protected] >>> >> https://lists.ubuntu.com/mailman/listinfo/ubuntu-ph >>> > >>> > >>> > >>> > -- >>> > >>> > Keyboard error, press F1 to continue >>> > >>> > -- >>> > ubuntu-ph mailing list >>> > [email protected] >>> > https://lists.ubuntu.com/mailman/listinfo/ubuntu-ph >>> > >>> > >>> >>> >>> >>> -- >>> Eduardo D. Bergavera, Jr. >>> IT Instructor >>> Davao del Norte State College >>> Panabo City, Philippines 8105 >>> Tel. #: (084) 628 4301 >>> email: [email protected] >>> OpenID: >>> https://launchpad.net/~edbergavera<https://launchpad.net/%7Eedbergavera> >>> ACM Professional Member: >>> http://member.acm.org/~edbergavera<http://member.acm.org/%7Eedbergavera> >>> >>> -- >>> ubuntu-ph mailing list >>> [email protected] >>> https://lists.ubuntu.com/mailman/listinfo/ubuntu-ph >>> >>> -- >>> ubuntu-ph mailing list >>> [email protected] >>> https://lists.ubuntu.com/mailman/listinfo/ubuntu-ph >>> >>> >> >> >> -- >> ------------------------------------------------------------- >> "Penguin, penguin, and more penguin !" >> >> www.madforubuntu.com >> baudizm.blogsome.com >> >> >> >> -- >> ubuntu-ph mailing list >> [email protected] >> https://lists.ubuntu.com/mailman/listinfo/ubuntu-ph >> >> > > > -- > ------------------------------------------------------------- > "Penguin, penguin, and more penguin !" > > www.madforubuntu.com > baudizm.blogsome.com > > -- > ubuntu-ph mailing list > [email protected] > https://lists.ubuntu.com/mailman/listinfo/ubuntu-ph > > -- > ubuntu-ph mailing list > [email protected] > https://lists.ubuntu.com/mailman/listinfo/ubuntu-ph > > -- ------------------------------------------------------------- "Penguin, penguin, and more penguin !" www.madforubuntu.com baudizm.blogsome.com
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