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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818 views

Failed to bind to server ldap://<ipaddress> Error: Can't contact LDAP server

We are running a Linux 2.6.32-431.3.1.el6.x86_64 kernel and keep seeing the following messages in /var/log/messages periodically showing up on our user space server. When the messages appear we also ...
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1answer
51 views

Is it possible to make one public ip point at different servers within a local network? [closed]

Title is a bit vague so here i go! Basically i have setup a local dns server that allows me to use my local network using hostnames. e.g. dns.subdomain.home i would like all these servers to be ...
2
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1answer
157 views

Publishing long domain key records in bind9

I am setting up a mail system based on exim4. This system implements DKIM signing and checking (among other things). Signing seems to work without problems but checking doesn't work and exim4 ...
1
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2answers
68 views

What happens to DNS cache server when the zone DNS server fails?

I have DNS server running which caches for records from a main DNS server. What would happen when the main DNS server is down? Will the cache DNS server still serve the records it has or will all the ...
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1answer
150 views

BIND/named: zone sigilhosting.com/IN: not loaded due to errors

It's been working perfectly until my cPanel license expired and I had to renew it. I keep getting this error when running named-checkzone: zone sigilhosting.com/IN: NS 'ns1.sigilhosting.com' has no ...
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0answers
54 views

BIND session key

When I restart or start my BIND DNS server, I'm getting the following in the /var/log/messages log file. Jan 26 07:50:30 dev named[306]: could not create /jail/bind-9.9.4-P2/var/run/named/session.key ...
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1answer
50 views

domain not accessable without www prefix

I configured bind nameserver for my domain on a VPS with a zone file like this: $TTL 604800 @ IN SOA mydomain.com. root.mydomain.com. ( 5 ; Serial 604800 ...
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1answer
45 views

Is named.conf and rndc.key supposed to be only accessible by root?

Referencing CentOS / RedHat guide on BIND here, it says the following... Because /etc/named.conf is world-readable, it is advisable to place the key statement in a separate file, readable only ...
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1answer
120 views

BIND zone also-notify syntax

Given the following my BIND 9 is not able to start. acl ns2 { 192.168.10.50; }; zone "10.168.192.in-addr.arpa" IN { also-notify { ns2 port 53; }; type master; file ...
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1answer
95 views

Bind9 on Debian : nslookup point on localhost not my ip server

i have just install bind9 on Debian. I think i haven't configured not everything because i still have a problem with the DNS and the propagation. I think the problem is say by nslookup : Server: ...
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0answers
36 views

How to diagnose flaky nslookup/bind9?

BACKGROUND I have a long running DNS (bind9) server running on Ubuntu that works most of the time (from Ubuntu, Win8 or OSX): $ nslookup gitserver Server: 127.0.1.1 Address: ...
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0answers
102 views

caching nameserver complains dumping master file: tmp-4H4fMHn0WI: open: permission denied

This is a Fedora 19 server acting as the name server (among other things) for a small network. Bind is working just fine as a caching name server for this small network. In case it matters, the ...
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0answers
39 views

How to make BIND return old cached enties if all forwarders are failed?

I have a local forwarding BIND server installed at localhost. In its configuration there is a couple of forwarders: options { ... forwarders { 1.2.3.4; 5.6.7.8; }; ... }; Servers which are pointed ...
0
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1answer
38 views

Calculate requirements for a caching/forwarding-only nameserver

I am considering a caching/forwarding nameserver to be used by internal servers to speed up name resolving. Is there a way to calculate some reference values to figure out its requirements? I simply ...
0
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3answers
149 views

How to prevent sub-domain 'hijacking' on the same DNS server?

I'm trying to understand how (or if) a DNS server differentiates between a sub-domain setup as a zone and one setup as a record within a domain zone on the same server. Say I were to create a DNS ...
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0answers
211 views

CentOS DHCP server not updating DNS nameserver on Ubuntu Client

I have a working DHCP server on CentOS, with /etc/dhcp/dhcpd.conf set up as follows: subnet 192.168.1.0 netmask 255.255.255.0 { option routers 192.168.1.1; option subnet-mask 255.255.255.0; ...
2
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1answer
113 views

the dnssec-keygen works very slow on Centos if we run it with inputting domain name only

From this ISC BIND article example: https://kb.isc.org/article/AA-00626/0/Inline-Signing-in-ISC-BIND-9.9.0-Examples.html $ dnssec-keygen example.com Generating key ...
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1answer
121 views

dhcp dns not resolving queries

I having been working through a lot issues with a setup and I reached another where I may have been staring at it for too long to see the issue. The server is reachable from the outside world. ...
0
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1answer
70 views

how to find if there is …in-addr.arpa delegated?

I have ip pool, but reverse dns does not works. It works if lookup on ns server. Does not works in internet. I requested registrator to delegate this pool to ns1.mydomain. I added net IN NS ...
2
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1answer
339 views

Impossible to start named on Centos

I installed bind on Centos 6.5 with yum install bind-chroot bind-utils. It's not the first time I do this and generally this works fine. But now I try this on some server and it doesn't work at all. ...
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1answer
1k views

SLES DHCP Dynamic DNS: Unable to add forward map…: not found

I have a SUSE Linux Enterprise Server 11.3 install running on Amazon EC2 based off the official AMI. With DHCP and BIND configured (via yast) I'm having issues with Dynamic DNS. When a client ...
0
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2answers
52 views

Map subdomains to local IP address AND being reachable from the Internet

I would like to do a mapping between subdomains and my VMs local IP addresses. Something that looks like this schema I've set up my DNS directly on my server (myserver.com for the example) and I ...
0
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2answers
146 views

Setting Bind9 DNS Server on CentOS 5.9

I have an OpenVZ VPS server with CentOS 5.9 32 bit installed. I also buy domain sehattotal.com from local provider (masterwebnet.com). currently sehattotal.com is hosting in hostgator.com. My ...
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0answers
19 views

Trying to run the same port on two different IP's [duplicate]

I'm trying to get the port 25565 to bind to two completely different IP's which my host provided me with. These two IP's are run on Java virtual machines, and although they are running on two ...
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3answers
106 views

DNS slows down other stuff

I set up a local DNS server (because the router of our ISP doesn't support local DNS) and configured it to resolve to static IP addresses and forward other requests to the ISPs router. So the DNS ...
0
votes
1answer
71 views

Can't get Answer for A Records of my Domain from dig Command

I've been trying to solve my DNS-BIND problem for two days, but still no luck. I'm really a novice in DNS configuration. This is my record file: $ttl 38400 $ORIGIN example.ir. @ IN SOA ...
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0answers
32 views

Reply a default ip from dns server when network is disconnected

I'm using Bind9(9.9.3) as domain name server, and using "redirect" type to return an ip when resolving a non-existence domain name. But it fails when the internet connection is down. Is there a way ...
1
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1answer
189 views

Push hostnames to a DNS server without DHCP

Considering the complete lack of luck I've had googling any terms related to this question, this may not even be possible, but: Is there a reasonably standard way to set a hostname on a machine, and ...
2
votes
0answers
99 views

How can I use a Linux BIND DNS server for my Active Directory forest?

I am trying to setup an Active Directory forest that uses a Linux BIND server for DNS. The goal is that the Domain Controller (DC) to be able to make entries in the /etc/bind/db.foresta.net file from ...
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0answers
33 views

Failover web hosting with multiple NS

Are there any drawbacks in having each nameserver entry in a domain name point to different failover server? In this setup, the same DNS server will also serve the content - so if it's down, the ...
2
votes
1answer
43 views

automatic MX entries for (almost) all hosts within a domain

i'm running a DNS-server for example.com, with multiple A/CNAME records pointing to different IP-addresses. @ IN A 198.51.100.1 a IN A 198.51.100.3 b ...
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1answer
80 views

DNS record change not taking effect

I have a Centos5 server on internet, say srv1.example.com with IP address say 1.1.1.1. I have changed the A records example.com, www.example.com and ny.example.com to say 2.2.2.2. I have not ...
0
votes
2answers
57 views

Bind DNS Server Error

I try to set up a Bind DNS server, if I test the actual configuration with named-checkzone domain.de /etc/bind/db.domain.de the following error appears: zone domain.de/IN: NS 'ns1.domain.de' has ...
0
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1answer
332 views

DDNS, BIND and leftover .jnl files

I have configured BIND and ISC DHCPD to work together (using keys for updates). Now it's not that it does not work at all: forward maps etc are most often added. However, very often, for no apparent ...
1
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0answers
381 views

EC2 DNS not resolving hostname to internal IP

I already posted this on the AWS forums without success (https://forums.aws.amazon.com/message.jspa?messageID=502441). I'm wondering if I'll be more lucky here. We have an internal DNS setup that ...
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votes
2answers
303 views

Bind/DNS unqualified name problems

All, I have a question regarding NXDOMAIN/Unqualified Domain searches in BIND/DNS What we want: We want the ability to have unresolved queries or unqualified searches go against a default bind zone. ...
0
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1answer
44 views

Can not get my BIND server to work

I am trying to setup a BIND server. I have read some tutorials on the internet, but I have still not got it to work. The OS of the machine that is runnig the BIND daemon is CentOS 6.4 with IP address ...
0
votes
0answers
146 views

DNS caching server

On my Fedora machine I'm trying to use an AD dns server run on VM by adding following into /etc/named.conf: zone "ad.test" { type stub; masters { 192.168.12.10; }; }; but calling host ...
1
vote
1answer
46 views

accept multiple domain in zone file

I have zone file like this for domain maindomain.com $TTL 14400 maindomain.com. IN SOA ns1.maindomain.com. webmaster@maindomain.com. ( 2013120716 ; serial 14400 ; refresh 3600 ; retry 1209600 ...
8
votes
4answers
312 views

Why running named(bind) in chroot is so important for security? Or maybe it is not ?

I'm playing with bind and started wondering why this software is for example in CentOS running in chroot. Don't misunderstood me I know what bind is and what chroot (jail) is for. But my main wonder ...
3
votes
1answer
169 views

How to proper delegate domain in BIND for Active Directory servers

I have to delegate domain for AD serwers. Let say example.com and I'm using Bind(dns.bind.com) on CentOS. I added proprer configuration to named.conf and using A,NS records delegate domain to AD ...
1
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1answer
73 views

DNS Server Migration

I am trying to migrate my DNS server from 178.32.xx.xx to 162.243.xx.xx, but as soon as I turn off the first server (178), some users report that the site is offline. I also checked with WhatsMyDNS ...
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votes
1answer
42 views

DNS Server Linux

I've got a problem with my bind server... I can't find "/etc/default/syslogd" to add to it "SYSLOGD=”-a /var/lib/named/dev/log” Two days ago, I setup whole Bind9 on my server, the domain works fine ...
1
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1answer
42 views

BIND int/ext views, need to return ext MX to int clients

Any DNS pros out there? I have a problem that's stumping me. I have a BIND DNS server that (with views), supports both internal and external DNS. All internal clients look at the internal view for ...
0
votes
1answer
267 views

Setting up Reverse DNS Zone BIND9 Ubuntu 13.10 Server [closed]

I am trying to configure a reverse DNS zone on my new dedicated server. I have tried several things but for some reason i cannot get my reverse zone to properly resolve. When checking my dns, i get ...
1
vote
2answers
117 views

ISC BIND refuses to start: “exiting (due to fatal error)”

Bind 9.8.2 on CentOS 6.4 x64 on IBM X server. Bind 9.8.2 from official Centos updates repo used to work fine, but then I needed to tweak it by compiling from source (nothing crazy here -- just ...
1
vote
1answer
106 views

ddns correct setting for dhcpd.conf and ifcfg file with regards to hostname

I have recently set up dynamic dns with ISC dhcpd 4 and bind 9. Everything is working as it should except for a handful of hosts on the network which don't resolve. Upon investigating I found they had ...
0
votes
2answers
32 views

client 174.0.60.249#45013 (stopdrugs77.com): query (cache) 'stopdrugs77.com/ANY/IN' denied

I'm running windows server 2012 and BIND. Recursion is set to deny. I'm now receiving thousands of theses errors in the applications event viewer: client 174.0.60.249#45013 (stopdrugs77.com): query ...
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2answers
251 views

trustwave pci scan: dns amplification denial of service, Bind 9.8.1-P1, doesn't seem like it

In our last TW PCI scan, one of our flags was "DNS Amplification Denial of Service". Right now, the DNS server is running Bind 9.8.1-P1. It seems like the CVEs are for a much older version: ...
0
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1answer
37 views

How to automatically rewrite response records obtained using recursion in BIND?

I'm using Bind 9.9.4 on a hypervisor (lets call the hypervisor A) for VMs. The hypervisor has a VPN connection to a different host (lets call it B), which also has a public IP. The bind on hypervisor ...