Tagged Questions

BIND is a free, open source software implementation of the Domain Name System (DNS) protocols. The name BIND stands for "Berkeley Internet Name Domain", because the software originated in the early 1980s at the University of California at Berkeley. BIND is currently maintained and developed by the ...

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1answer
14 views

How to configure an additional BIND instance for a domain already described by other public name servers?

Background I have a small virtual server hosted by my provider and there I have configured a relatively simple combination of postfix, dovecot and roundcubemail (backed by nginx) that works OK. I ...
-1
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1answer
69 views

Dig shows external configuration? [on hold]

I'm already trying for 2 days to deal with an answer for this problem. I have a virtual server somewhere and installed postfix/dovecot/mysql. It works somehow. I can login with Outlook with the ...
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0answers
18 views

bind9 internal domain name

For our internal network we're using domain names like user.int. I've setup bind to resolve those to the appropriate IP addresses. Since .int is actual top-level domain name(although used for just a ...
0
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1answer
34 views

Get a catch-all DNS and set a MX for a special domain

I'm trying to set a catch-all configuration with Bind. I've followed this answer and it works fine : http://serverfault.com/a/397011/179968 Now I'm trying to configure my MX record to configure my ...
2
votes
1answer
18 views

bind zone file setup for dns round robin

I would like to set up load balancing for my website using DNS round robin. My DNS is managed by my own CentOS 6 server running bind. I added the following into my zone file: @ ...
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0answers
15 views

BIND providing recursion when it shouldn't [on hold]

I have an installation of bind9 running on Ubuntu 12.04.5 LTS. I use this to run split DNS (pointing my internal server names to local IPs rather than external IPs). When I query an internal FQDN ...
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votes
0answers
14 views

BIND forwarders working but not root servers

I took a system with an old version of Fedora on it and bare metal loaded Fedora 20. I used the KDE install option and then added Bind via KPACKAGEKIT. After adding a local zone it could resolve my ...
0
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1answer
25 views

Classless Reverse DNS with Recursion - BIND

I'm running BIND 9.8.2rc1-RedHat-9.8.2-0.30.rc1.el6 on CentOS 6.6. The only zone is for classless reverse DNS, which has been delegated. I'm no BIND or DNS expert, but as I understand it, classless ...
0
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1answer
26 views

BIND9 and Zone configuration doesn't “bind” domain

Named.conf File: options { #listen-on port 53 { 127.0.0.1; }; listen-on-v6 port 53 { ::1; }; directory "/var/named"; dump-file "/var/named/data/cache_dump.db"; statistics-file ...
0
votes
2answers
64 views

Name Server with Multiple IPs

We have multiple internet connections attached to my company's network, from different providers, and there are authoritative name servers on the network as well, also with an IP from each of those ...
1
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1answer
25 views

Channelizing logs on Bind 8

I am using the following channel clause in my named.conf, logging { channel named_log { file "logs-remote/bind.log"; severity dynamic; print-category yes; print-severity yes; print-time yes; }; ...
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0answers
20 views

new dkim config -> opendkim-testkey: record not found

I am trying to set up dkim and I cannot get it to work or test properly, and I get the following error: opendkim-testkey -vvvv -d domain.com -s default opendkim-testkey: checking key ...
33
votes
10answers
3k views

Run antivirus software on linux DNS servers. Does it make sense?

During a recent audit we were requested to install antivirus software on our DNS servers that are running linux (bind9). The servers were not compromised during the penetration testing but this was ...
0
votes
1answer
30 views

Reviewing source of DNS requests

Is there a way to know the source of DNS requests which were handed to the Forwarder (requests which were handled by the DC are of no interest)? If I set up a BIND server which is a forwarder to the ...
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votes
1answer
40 views

Would it be good idea to share DNS zone files via NFS?

Any expert advice on Bind DNS zone file transfer (master->slave) via NFS? Are there any drawbacks for not using Bind's zone transfer feature? Thanks a lot!
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2answers
30 views

Bulk Append text to all *.db files in folder (cPanel bulk DNS Insert)

I run my own DNS cluster using 1 server running cPanel/WHM and 4 servers (ns1-ns4) running cPanel DNS Only. I've just added the 4th DNS Only server (ns4.domain.com) but the problem is that all 200 of ...
0
votes
0answers
74 views

web server on a proxmox container using dns server on proxmox

Some background: I've got a little problem here. I have Promox installed on my primary server on which I've configured manually my DNS server with BIND9 with the domain example.com and works fine ...
1
vote
1answer
27 views

Spoofing DNS for another domain within a DMZ

I am setting up a DMZ disconnected from our corporate LAN. I've moved DNS services for the DMZ hosts into the DMZ with a stripped down set of zone info containing only what the DMZ hosts need to know. ...
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votes
2answers
80 views

Bind only works Locally - Ping works locally not externally

I am using Bind on a Centos 6.5 server in order resolve subdomains to an IP. I have *.ddns.example.com and ddns.example.com pointing to my server via A record. I have added a zone for this, see ...
1
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2answers
40 views

Microsoft DHCP server and Unix BIND dynamic DNS

Is there any way to make Microsoft DHCP server to securely dynamically update A and PTR records in Unix Bind DNS zone? Microsoft supports secure update using username/password authentication. Bind9 ...
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votes
0answers
30 views

New install of DKIM NOQUEUE: milter-reject

I am trying to configure DKIM for my mail service. Postfix on Gentoo is kicking back the error -> 2014-10-26T07:28:23+00:00 emailer1 postfix/smtpd[25554]: NOQUEUE: milter-reject: CONNECT from ...
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1answer
22 views

DNS zone servicing concepts

Currently I am working out some concepts about how DNS works and am running into a question I can't easily find an answer to on the internet. I am looking for an answer based on a set of questions ...
0
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2answers
46 views

Bind DNS not working?

I Know there always lots of answer about Bind. But somehow I can't understand the problem of my settings. Here is my configuration options { listen-on port 53 { 192.168.159.130; }; ...
0
votes
1answer
507 views

BIND failing to resolve with 'WARNING: recursion requested but not available'

there are no errors in the logs and query logging won't initialize iptables is fully disabled but the server will respond with "WARNING: recursion requested but not available" because my client ...
0
votes
2answers
111 views

URIBL_BLOCKED despite caching nameserver

I run a mail server for two people, Ubuntu 10.04 LTS. I have Spamassassin running via Amavis/Postfix. In many messages, I am getting URIBL_BLOCKED in the X-Spam-Status headers, which indicates that ...
1
vote
1answer
55 views

nsupdate failing on localhost - Bind 8

I have added a zone test.net via rndc locally and it is working fine. Next, I want to update it via nsupdate but locally, my zone configurations are, zone test.net {type master; file ...
0
votes
3answers
76 views

bind9 reverse zone dns config error - CNAME

i am trying to set up a reverse zone for my bind dns server, under the subnet 192.168.0.65/29 my zone datafile looks like this: @ IN SOA server.example.com. server.example.com. ...
0
votes
1answer
66 views

BIND: Forcing authoritative nameserver answer with no data on non-recursive requests (Research purposes)

Edit: I've simplified target goal as suggested by Andrew B. The goal is basically setting an authoritative name server to only give real answer on recursive requests, which means breaking the ...
0
votes
1answer
22 views

Nameserver setup Bind

I have setup a domain and nameservers as per below, but when I dig the domain, it is not working. The setup is as follows: I want a domain named iheartlotto.com, and the nameservers to be ...
0
votes
2answers
22 views

Bind Nameserver Setup

I setup bind on my debian box, and have setup my zone files to have my nameserver defined. When I dig, using for example: dig @123.456.789.123 ns1.mynameserver.com where 123.456.789.123 is the ...
1
vote
1answer
68 views

bind9 proper recursion setup

If I remove recursion then I can't resolve external domains but can still resolve domains that are on the DNS server. What is the proper way to setup recursion correctly so external domains can still ...
0
votes
3answers
43 views

bind9 SOA issue

using DNSStuff site to run checks against our bind9 DNS servers and it's coming back with One or more SOA fields are outside recommended ranges. Values that are out of specifications could cause ...
1
vote
2answers
46 views

why does dig +trace sometimes reply with a list of authoritative nameservers as well as the record?

using the examples below dig +trace stackoverflow.com dig +trace google.com dig +trace yahoo.com dig +trace bbc.com the first two show me only the A records for the queried domain, while the last ...
0
votes
0answers
14 views

RNDC is not reloading my ACL list in Bind, how can I make it reload without losing Cache?

I have two ACL's, one expired, and one authorized. When I make a change to the ACL and try: rndc reload and rndc reconfig I do not see that the ACL was refreshed. Any ideas?
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votes
1answer
67 views

Overwriting Internet Ads with our own for our Proxy Server [closed]

We offer free internet access to customers. We proxy all we can to improve speed as it is a heavily used service. If not illegal, we would like to offer our own google and non google ads in places on ...
1
vote
1answer
40 views

What is a quicker DNS Setup?

We have two DNS servers that are restarted frequently to update ACL lists. The two servers are independent, and we have the second DNS server set to update its ACL lists 5 seconds after the first one ...
0
votes
1answer
24 views

Bind 10 - Reverse zone file error

As I stated in the title I have a problem with BIND 10 . More exactly , I am looking to make a reverse zone file. I am using BIND on Windows 7. I know, there were warnings about how ISC doesn't ...
0
votes
1answer
48 views

Do I need Bind for my dedicated server?

On the onset, would like to declare myself as a newbie, I have used managed servers before, this time around wanted to go for nginx, and my host did not have a control panel for nginx only, and ...
0
votes
0answers
19 views

Priorities or ambiguos DNS reverse zone with Bind

In my internal DNS running on Bind9 all machines are available at up to 3 different domain names, i.e. all machines are listed as machine.legacy.domain and machine.new.domain. Some machines are joined ...
2
votes
1answer
82 views

DNS Lookups no longer working - administratively prohibited

I'm running into a strange issue where my server now refuses to do DNS lookups (using bind). I use a CentOS box as an OpenVPN gateway and provide DNS service to the clients. For month everything was ...
-1
votes
1answer
48 views

BIND with external web server [closed]

I am trying to get up and running my own DNS server but something is wrong. I do not get any error but when I access to www.example.org the page is not loaded. I am using Linux. My registered ...
0
votes
1answer
107 views

dns external lookup servfail

I assure you I have searched far and wide for a clue to this problem! I have a DNS server running CentOS 5.5 and BIND 9.3. Most external lookups work fine, but lookups on one particular domain ...
1
vote
1answer
69 views

how can I define subdomains for a subdomain in bind?

I have a domain "example.com" with subdomain "sub1.example.com" defined as an "A" record in the bind zone file. How can I define something like "sub2.sub1.example.com"?
0
votes
0answers
65 views

how to “match-clients” on Bind9 to match with IP of who use the DNS

I just setup a GeoDNS server with bind9.9.5 with geoip patch following this kind of configuration: http://www.caraytech.com/geodns/ The server dns work very well and geoip modules do the job. What ...
0
votes
1answer
44 views

Connecting local web server to local dns server

I have 1 local webserver "192.168.91.100" and 1 local DNS server "192.168.91.101" to do name resolve for the local web server. I have configured few zones in local DNS server. I wanted to link this ...
0
votes
1answer
91 views

DNS delegation does not work

I am quite newcomer to BIND and am trying to understand why is my environment not working. I have 3 DNS servers, ns1.ixlabs.net, ns2.ixlabs.net and ns1.plesk.ixlabs.net. ns1 and ns2 on ixlabs, are ...
3
votes
0answers
88 views

Cannot enable GSS-TSIG updates from Active Directory in BIND 9.10

I’m with a problem trying to enable GSS-TSIG with BIND 9.10. Before I start describing what I’ve done, I would like to say that I’ve already done this in in another domain without any problems. So I ...
1
vote
1answer
86 views

SSH fails with host not found, but NSLookup finds that host

I have a small business network with several servers on it. To simplify things, I added a BIND9 DNS server on one of them, with entries for each of the local machines, i.e. vpn.example.com, ...
0
votes
0answers
27 views

Bind9 stops responding when router loses internet connectivity

I have a Ubuntu 14.04 server which is acting as a router. So one interface (wan port) has internet access and the second interface (lan port) doesn't. All traffic from the lan port is masqueraded and ...
1
vote
1answer
128 views

Split DNS configuration: can't update external zone from internal system using nsupdate

I have set up a single DNS server with bind9 and a split dns configuration so that all internal requests for my domain name get the internal IP address, and all requests from outside my network get ...