Кто-нибудь делегировал реверсы для сетей меньших 255 адресов?<br>Plz, подскажите..

• Re: DNS и сети класса C,Z0termaNN, 22:10 , 12-Май-00
  • Re: DNS и сети класса C,Oleg Nastenko, 12:04 , 13-Май-00
    • Re: DNS и сети класса C,Re, 22:38 , 22-Май-00

: Кто-нибудь делегировал реверсы для сетей меньших 255 адресов?<br>: Plz, подскажите..<br>конечно этого лучше не делать, а если делать, то<br>предварительно прочитав документацию, типа <br>DNS-FAQ:<br>uestion 5.4.  Subnetted domain name service<p>Date: Mon Aug  5 23:00:16 EDT 1996<p>If you are looking for some examples of handling subnetted class C<br>networks as separate DNS domains, see the Internet Draft<p>draft-ietf-cidrd-classless-inaddr-02.txt<p>for more information.   This file is available for anonymous ftp at<p>ds.internic.net :<br>/internet-drafts/draft-ietf-cidrd-classless-inaddr-02.txt<p>or other IETF mirror sites (ftp.is.ca.za [Africa], nic.nordu.net [Europe],<br>munnari.oz.au [Pacific Rim], ds.internic.net [US East Coast], or<br>ftp.isi.edu [US West Coast]).<p>Details follow- You need to delegate down to the fourth octet, so you will<br>have one domain per IP address !  Here is how you can subdelegate a<br>in-addr.arpa address for non-byte aligned subnet masks:<p>Take as an example the net 192.1.1.x, and example subnet mask<br>255.255.255.240.<p>We first define the domain for the class C net,<p>   $origin  1.1.192.in-addr.arpa<br>   @       SOA   (usual stuff)<br>   @       ns  some.nameserver<br>           ns  some.other.nameserver<br>   ; delegate a subdomain<br>   one     ns  one.nameserver<br>           ns  some.nameserver<br>   ; delegate another<br>   two     ns  two.nameserver<br>           ns  some.nameserver<br>   ; CNAME pointers to subdomain one<br>   0       CNAME 0.one<br>   1       CNAME 1.one<br>   ;    through<br>   15      CNAME 15.one<br>   ; CNAME pointers to subdomain two<br>   16      CNAME 16.two<br>   17      CNAME 17.two<br>   31      CNAME 31.two<br>   ; CNAME as many as required.<p>Now, in the delegated nameserver, one.nameserver<p>   $origin one.1.1.192.in-addr.arpa<br>   @       SOA (usual stuff)<br>           NS  one.nameserver<br>           NS  some.nameserver   ;  secondary for us<br>   0       PTR  onenet.one.domain<br>   1       PTR  onehost.one.domain<br>   ;   through<br>   15      PTR  lasthost.one.domain<p>And similar for the two.1.1.192.in-addr.arpa delegated domain.<p>There is additional documentation and a perl script that may be used for<br>this purpose available for anonymous ftp from:<p>ftp.vix.com : /pub/bind/contrib/gencidrzone

хмм.. понял, пасип.

: Кто-нибудь делегировал реверсы для сетей меньших 255 адресов?<br>: Plz, подскажите..<p>Какая сеть?<p>