Issues configuring delegated subdomain zone

BARAJAS BERMEJO, Sergio Sergio.BARAJAS at econocom.com
Wed Sep 12 18:31:23 UTC 2018


Thanks this is solver, now I have another problem.

I will send a new message




________________________________
De: Bob Harold <rharolde at umich.edu>
Enviado: miércoles, 12 de septiembre de 2018 16:47
Para: BARAJAS BERMEJO, Sergio
Cc: bind-users at lists.isc.org
Asunto: Re: Issues configuring delegated subdomain zone


On Wed, Sep 12, 2018 at 5:49 AM BARAJAS BERMEJO, Sergio <Sergio.BARAJAS at econocom.com<mailto:Sergio.BARAJAS at econocom.com>> wrote:
Hello,
I have an issue configuring delegated subdomain zone from one NS to another one.
For security reasons I will obviously not put real domain data (I imagine you will understand).

Let's suppose that the delegated subdomain is: midominio.principal.hosting.com<http://midominio.principal.hosting.com>
If we make a "dig" query, putting the hosting server's NS as the domain name server:

dig @ns1.hosting.com<http://ns1.hosting.com> midominio.principal.hosting.com<http://midominio.principal.hosting.com>

; <<>> DiG 9.10.3-P4-Debian <<>> @ns1.hosting.com<http://ns1.hosting.com> midominio.principal.hosting.com<http://midominio.principal.hosting.com>
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 40831
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 3
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;midominio.principal.hosting.com<http://midominio.principal.hosting.com>. IN A

;; AUTHORITY SECTION:
midominio.principal.hosting.com<http://midominio.principal.hosting.com>. 125 IN NS sb2.principal.hosting.com<http://sb2.principal.hosting.com>.
midominio.principal.hosting.com<http://midominio.principal.hosting.com>. 125 IN NS sb1.principal.hosting.com<http://sb1.principal.hosting.com>.

;; ADDITIONAL SECTION:
sb1.principal.hosting.com<http://sb1.principal.hosting.com>. 125 IN A xxx.xxx.xxx.52
sb2.principal.hosting.com<http://sb2.principal.hosting.com>. 125 IN A xxx.xxx.xxx.53

;; Query time: 12 msec
;; SERVER: 31.193.224.20#53(31.193.224.20)
;; WHEN: Wed Sep 12 08:09:36 CEST 2018
;; MSG SIZE rcvd: 133

>From which we deduce several things:


  1.  That in the zone principal.hosting.com<http://principal.hosting.com> of the main server of the hosting there are created two registers of type A:
     *   sb1.principal.hosting.com<http://sb1.principal.hosting.com>. 125 IN A xxx.xxx.xxx.52
sb2.principal.hosting.com<http://sb2.principal.hosting.com>. 125 IN A xxx.xxx.xxx.53
  2.  That the authorized DNS servers on the subdomain midominio.principal.hosting.com<http://midominio.principal.hosting.com> are:
sb1.principal.hosting.com<http://sb1.principal.hosting.com> y el sb2.principal.hosting.com<http://sb2.principal.hosting.com>

Having said that, in my vps I have defined the following:

; BIND reverse data file for empty rfc1918 zone
;
; DO NOT EDIT THIS FILE - it is used for multiple zones.
; Instead, copy it, edit named.conf, and use that copy.
;

$TTL 86400
@ IN SOA sb1. sb2. mail. (

The first field after "SOA" is the *ONE* master server for the  domain.  You cannot list two.  Should be:
@ IN SOA sb1. mail. (

--
Bob Harold

10 ; Serial
604800 ; Refresh
86400 ; Retry
2419200 ; Expire
86400 ) ; Negative Cache TTL
; REGISTROS
NS sb1.principal.hosting.com<http://principal.hosting.com>.
NS sb2.principal.hosting.com<http://principal.hosting.com>.
IN MX 10 mail.midominio.principal.hosting.com<http://midominio.principal.hosting.com>.
sb1 IN A xxx.xxx.xxx.52
sb2 IN A xxx.xxx.xxx.53
www IN A xxx.xxx.xxx.53
mail IN A xxx.xxx.xxx.53
webmail IN CNAME mail
* IN A xxx.xxx.xxx.53


However I can not get it to solve for example www.midominio.principal.hosting.com<http://www.midominio.principal.hosting.com> What am I doing wrong?.
Thank you very much in advance

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