Classles in-addr.arpa (sorry, my english to bad..i write german)

James Conz james at firetower.com
Thu Dec 14 23:18:14 UTC 2000



Bernd,

My German's a little rusty, but if I understand you correctly it looks like=
=20
UUNet has not created the necessary CNAME records to handle your non-octet=
=20
in-addr delegation. Since you are not authoritative for=20
146.69.213.in-addr.arpa, your ISP needs to create CNAME records for the IP=
=20
addresses that belong to you. You then create the corresponding PTR records=
=20
in the zone you've chosen to use for your in-addr records.

A typical configuration looks like this:

- The ISP creates CNAME records in the in-addr.arpa domain for your IP=20
addresses, pointing to records you _are_ authoritative for. Note that this=
=20
can be any zone your nameserver is authoritative for. Typically, it's=20
something like "64-127.146.69.213.in-addr.arpa" (the ISP creates the=20
necessary NS records for this subdomain), but your configuration would work=
=20
as well:

66.146.69.213.in-addr.arpa.      CNAME  66.146.69.213.in-addr.semedia.net.
67.146.69.213.in-addr.arpa.      CNAME  67.146.69.213.in-addr.semedia.net.
68.146.69.213.in-addr.arpa.      CNAME  68.146.69.213.in-addr.semedia.net.
69.146.69.213.in-addr.arpa.      CNAME  69.146.69.213.in-addr.semedia.net.
70.146.69.213.in-addr.arpa.      CNAME  70.146.69.213.in-addr.semedia.net.

- Now in your zone file for semedia.net, you need to have corresponding PTR=
=20
records (as you do), and you're all set. The missing critical step is the=20
ISP part as I mentioned above. They must create the CNAME records (and NS=20
records, if necessary).

So, I hate to say it, but it looks like you need to give UUNet another ring.

JC

At 09:50 PM 12/14/2000 +0100, admin at semedia.net wrote:
>Hi...
>
>Wir haben einen Classles IP Adress Block von uu.net und einen (Hidden)=20
>Primary NS Server Eintrag (hidden =3D Betrieb als hidden Primary: Wir=20
>richten 2 Secondaries bei UUNET ein, auf die auch delegiert wird. Die=20
>Secondaries holen ihre Daten von Ihrem primary Server.....)
>Ich habe nun das Bsp. File=20
>(http://www.ns.de.uu.net/antrag/tools/eunet-ns-bspconfig.tar) genommen,=20
>und laut Anleitung den NS Eingerichtet.
>
>-> UUNET (.... Ihnen den IP-Adressraum
>213.69.146.64/26 zur Verfuegung.
>Sofern Sie intern keine weitere Subnettierung vornehmen,
>konfigurieren Sie bitte Ihren Host mit der Netzwerkmaske 255.255.255.192)
>
>Unser Netz: 213.69.164.64/26
>Erste IP: 213.69.146.65
>Letze IP: 313.69.146.126
>Domain: semedia.net
>NS: ns1.semedia.net
>
>So, nu hab ich alles fein eingerichtet, 1000x mit uunet telefoniert, und=20
>revers lookup geht immer noch nicht ? :((
>Ich hab schon alle Beispiele aus der RFC2317 probiert,und haut alles nicht=
=20
>hin.
>Ich bin langsam am verzweifeln und und frag mich, ob ich schon reif f=FCr=
=20
>die Klappsm=FChle bin :-)
>;anbei die momentanen zone files
>
>/etc/213.69.146
>$TTL 1D
>$ORIGIN 146.69.213.in-addr.arpa.
>@       86400   IN      SOA     ns1.semedia.net. admin.semedia.net. (
>                         2000121405
>                         28800
>                         7200
>                         604800
>                         86400 )
>
>                 NS      ns1.semedia.net.
>; Nur bei direkter Delegation
>;                NS     auth02.ns.de.uu.net.
>;                NS     auth52.ns.de.uu.net.
>;65             CNAME   65.146.69.213.in-addr.semedia.net.
>126             CNAME   126.146.69.213.in-addr.semedia.net.
>66              CNAME   66.146.69.213.in-addr.semedia.net.
>
>/etc/named.conf
>options {
>         directory "/etc";
>         pid-file "/var/run/named.pid";
>         listen-on {
>                 213.69.146.66;
>                 };
>         allow-transfer {
>                 xxx.xxx.xxx.xxx; sind die ns server von uu.net + die=20
> spielkisten der hostmaster :-)
>                 xxx.xxx.xxx.xxx;
>                 xxx.xxx.xxx.xxx;
>                 xxx.xxx.xxx.xxx;
>                 xxx.xxx.xxx.xxx;
>                 };
>         multiple-cnames yes;
>         recursion yes;
>         notify yes;
>         listen-on {
>                 127.0.0.1;
>                 };
>         };
>
>zone "." {
>         type hint;
>         file "/etc/db.cache";
>         };
>
>logging {
>         category security {
>                 default_syslog;
>                 };
>         category config {
>                 default_syslog;
>                 };
>         category panic {
>                 default_syslog;
>                 };
>         category parser {
>                 default_syslog;
>                 };
>         };
>
>
>zone "semedia.net" {
>         type master;
>         file "/etc/semedia.net";
>         also-notify {
>                 xxx.x.xx.x;
>                 xxx.xxx.xxx.xxx;
>                 xxx.xx.xx.xx;
>                 xxx.x.xx.xxx;
>                 xxx.xx.xxx.xx;
>                 };
>         allow-transfer {
>                 xxx.x.xx.x;
>                 xxx.xxx.xxx.xxx;
>                 xxx.xx.xx.xx;
>                 xxx.x.xx.xxx;
>                 xxx.xx.xxx.xx;
>                 };
>         notify yes;
>         };
>
>zone "146.69.213.in-addr.arpa" {
>         type master;
>         file "/etc/213.69.146";
>         also-notify {
>                 xxx.x.xx.x;
>                 xxx.xxx.xxx.xxx;
>                 xxx.xx.xxx.xx;
>                 xxx.x.xx.xx;
>                 xxx.xx.xxx.xx;
>                 };
>         allow-transfer {
>                 xxx.x.xx.x;
>                 xxx.xxx.xxx.xxx;
>                 xxx.xx.xxx.xx;
>                 xxx.x.xx.xxx;
>                 xxx.xx.xxx.xx;
>                 };
>         notify yes;
>         };
>
>zone "0.0.127.in-addr.arpa" {
>         type master;
>         file "/etc/127.0.0";
>         };
>
>zone "localhost" {
>         type master;
>         file "/etc/localhost.ns";
>         };
>
>/etc/semedia.net
>$ttl 1D
>$ORIGIN semedia.net.
>semedia.net.    IN      SOA     ns1.semedia.net. admin.semedia.net. (
>                         2000121430
>                         8H
>                         2H
>                         7D
>                         1D )
>         NS      ns1.semedia.net.
>         NS      auth02.ns.de.uu.net.
>         NS      auth52.ns.de.uu.net.
>*.semedia.net.  MX      100 mail.semedia.net.
>*.semedia.net.  MX      200 mail.de.uu.net.
>pop.semedia.net.        CNAME   mail.semedia.net.
>semedia.net.    A       213.69.146.66
>ns1     A       213.69.146.66
>mail    A       213.69.146.126
>www     A       213.69.146.126
>66.146.69.213.in-addr   PTR     ns1
>126.146.69.213.in-addr  PTR     mail
>
>so, was k=F6nnt da noch falsch sein ?
>f=FCr Hilfe/Vorschl=E4ge w=E4re ich sehr dankbar...
>
>
>Bernd Stein
>semedia GmbH
>06618 Naumburg
>Tel. 03445-27030
>admin at semedia.net

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    James Conz                    <james at firetower.com>
    FireTower, Inc.               ph 508/359-4490 x29
    Internet Security Services    fx 508/359-4466
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Security ~ Architecture & Design ~ Management & Support
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