Just one record fails

[a.r.kuiters at kpn.com]

Barry,

I'd made a tcpdump on the link towards the 'problem' DNS.

I see the following answer:

    Queries
        orange.fr.mnc001.mcc208.gprs: type ANY, class inet
            Name: orange.fr.mnc001.mcc208.gprs
            Type: Request for all records
            Class: inet
    Answers
        orange.fr.mnc001.mcc208.gprs: type A, class inet, addr 212.234.96.89
            Name: orange.fr.mnc001.mcc208.gprs
            Type: Host address
            Class: inet
            Time to live: 5 minutes
            Data length: 4
            Addr: 212.234.96.89
    Authoritative nameservers
        mnc001.mcc208.gprs: type NS, class inet, ns
DNS1beaujon.mnc001.mcc208.gprs
            Name: mnc001.mcc208.gprs
            Type: Authoritative name server
            Class: inet
            Time to live: 1 hour
            Data length: 14
            Name server: DNS1beaujon.mnc001.mcc208.gprs
        mnc001.mcc208.gprs: type NS, class inet, ns
DNS2blancmesnil.mnc001.mcc208.gprs
            Name: mnc001.mcc208.gprs
            Type: Authoritative name server
            Class: inet
            Time to live: 1 hour
            Data length: 18
            Name server: DNS2blancmesnil.mnc001.mcc208.gprs
    Additional records
        DNS1beaujon.mnc001.mcc208.gprs: type A, class inet, addr
212.234.96.11
            Name: DNS1beaujon.mnc001.mcc208.gprs
            Type: Host address
            Class: inet
            Time to live: 5 minutes
            Data length: 4
            Addr: 212.234.96.11
        DNS1beaujon.mnc001.mcc208.gprs: type A, class inet, addr
10.66.215.137
            Name: DNS1beaujon.mnc001.mcc208.gprs
            Type: Host address
            Class: inet
            Time to live: 5 minutes
            Data length: 4
            Addr: 10.66.215.137
        DNS1beaujon.mnc001.mcc208.gprs: type A, class inet, addr
192.168.133.12
            Name: DNS1beaujon.mnc001.mcc208.gprs
            Type: Host address
            Class: inet
            Time to live: 5 minutes
            Data length: 4
            Addr: 192.168.133.12
        DNS2blancmesnil.mnc001.mcc208.gprs: type A, class inet, addr
192.168.133.13
            Name: DNS2blancmesnil.mnc001.mcc208.gprs
            Type: Host address
            Class: inet
            Time to live: 5 minutes
            Data length: 4
            Addr: 192.168.133.13
        DNS2blancmesnil.mnc001.mcc208.gprs: type A, class inet, addr
10.66.225.137
            Name: DNS2blancmesnil.mnc001.mcc208.gprs
            Type: Host address
            Class: inet
            Time to live: 5 minutes
            Data length: 4
            Addr: 10.66.225.137
        DNS2blancmesnil.mnc001.mcc208.gprs: type A, class inet, addr
212.234.96.74
            Name: DNS2blancmesnil.mnc001.mcc208.gprs
            Type: Host address
            Class: inet
            Time to live: 5 minutes
            Data length: 4
            Addr: 212.234.96.74

We act as a deligation for the zone mnc001.mcc208.gprs and we query both the
212.234.96.11 and 212.234.96.74.
Do you think the TTL for those nameservers is the problem?

Regards,
Rob

-----Oorspronkelijk bericht-----
Van: Barry Margolin [mailto:barmar at alum.mit.edu]
Verzonden: maandag 10 mei 2004 17:09
Aan: comp-protocols-dns-bind at isc.org
Onderwerp: Re: Just one record fails


In article <c7o5ic$bk9$1 at sf1.isc.org>, a.r.kuiters at kpn.com wrote:

> Barry,
> 
> The servers from zone mnc001.mcc208.gprs are from an other mobile operator
> and we don't know how the servers look like.

Well, I think that's where the problem is.  Your server needs to ask 
those servers recursively, and they're probably sending back conflicting 
nameserver information that doesn't work properly.  This is being cached 
on your server and being used in preference to the delegation records 
until it times out.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***