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  1. #1

    update failed: 'RRset exists (value dependent

    i am having a problem with 1 of my domains, that i keep getting these messages in /var/log/messages like every 4 minutes

    May 26 23:23:43 server01 named[6040]: client update '' denied

    and this some entries / day
    May 26 22:44:13 server01 named[6040]: client updating zone 'xxxxxx/IN': update failed: 'RRset exists (value dependent)' prerequisite not satisfied (NXRRSET)

    the ip is not mine, nor my hosters ip

  2. #2
    server is redhat 9+DA gives no errors
    domain works normal

  3. #3
    Join Date
    Dec 2003
    Brisbane, Queensland, Australia
    According to that Ip address belongs to Planet Technologies in the Netherlands. It looks like it is on the ADSL range. You can find the following whois data at this url:

    Anyway getting to the problem. According to this url:

    The problem is that someone at is trying to update your domain, however your dns server is rejecting the offer because it is not an authorized dns server.

  4. #4
    so, this could just be a private user doing something not right?

    or the ISP doing something not right

  5. #5
    can i just block the ip in my firewall? or might that be a bad idea

  6. #6
    already blocked the ip, every 1 minute it creates an entry in my /var/log/messages

  7. #7
    please any1, i need a new solution

    this is indeed thew client itself that named his internal network the same as his domain name

    i need a way to block only his dns server trying to connect to named
    i am running kiss firewall

    i already did this:
    iptables -A INPUT -i eth0 -s 80.61.xx.xx -d 81.23.xx.xx -p udp -m state --state NEW --dport 53 -j DROP

    but the logs are still completely filled with:
    Jun 19 22:00:21 server01 named[10956]: client update '' denied
    Jun 19 22:00:23 server01 named[10956]: client 80.61.xxxx#21890: update '' denied
    Jun 19 22:00:28 server01 named[10956]: client update '' denied
    Jun 19 22:00:31 server01 named[10956]: client 80.61.2xx#21898: update '' denied
    Jun 19 22:00:52 server01 named[10956]: client 80.61.xxxx#21902: update '' denied
    Jun 19 22:00:57 server01 named[10956]: client 80.6xxx#21902: update '' denied

  8. #8
    Join Date
    Aug 2003
    Bangalore, India
    any solution to this yet ?? Web Hosting

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