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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121 views

How can I configure dhcpd to only update the reverse zone in bind?

I've got dhcpd pushing updates to bind, and it seems to be working fine: named[24161]: client 192.168.10.1#59141: signer "dhcp_updater" approved named[24161]: client 192.168.10.1#59141: updating zone ...
-2
votes
1answer
59 views

domain-search value on my clients computer [closed]

I need help with configure my DNS and DHCP server - I have spent some time searching on google but have not got any informations regarding my problem. I have an Ubuntu 12.04 server running and use ...
0
votes
1answer
74 views

BIND Domain name transclusion/zone mirroring

Is there a way to create a DNS record that fully mirrors another website? Which is to say, *.foo.tld/* maps to *.bar.tld/* so any query for foo.tld will be served up by bar.tldbut the DNS will appear ...
0
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1answer
38 views

DNS resolution failure when querying through server IP

I have a DNS zone file with the following config : $TTL 86400 $ORIGIN example.com. @ IN SOA ns1.example.com. dns.example.com. ( 2014022604 ; Serial ...
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vote
1answer
47 views

Running authoritive nameserver in ipv6 only environment?

What are the arguments against running an authoritive nameserver (primary) e.g. bind in a ipv6 only environment? In the current setup the machine dedicated to the nameserver has only direct ipv6 ...
3
votes
1answer
258 views

What is the syntax of email address with a dot behind it? in DNS zone file, SOA rr

How i can use a email address with a dot in behind. For example at bellow, email address is hostmaster@example.com, How to use host.master@example.com ? example.com. IN SOA ns.example.com. ...
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vote
1answer
102 views

Effects of publishing DNSSEC DS records without signing public zone?

We at example.com are being pressured to implement DNSSEC by a sub-division of our organisation: security.example.com. Our current name servers ns1.example.com and ns2.example.com are unsigned, ...
3
votes
3answers
328 views

How to combine Active Directory with Split-Horizon DNS?

I'm in a quandary. I need to implement Split-Horizon DNS in my office based on subnet. For example: Users in 10.170.0.0/16 need to resolve "srv01.extra.company.com" to 10.170.0.5 10.25.0.170 Users ...
2
votes
2answers
120 views

DNSSEC auto signing and file handling

I would like to know how files are handled in a auto-dnssec environment. My current setup (non-DNSSEC) places the zones files in /var/named/data. These files are then read by the bind server. If I ...
0
votes
1answer
453 views

BIND9 DNSSEC: should I care about occasional “insecure” log messages

A small number of my forwarded DNS queries cause BIND 9 to log messages such as: 184.in-addr.arpa SOA: got insecure response; parent indicates it should be secure validating @0x7f93140c0870: ...
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1answer
41 views

bind did not responde out of server

I have problem with bind server configuration. ​Result for lookup on 8.8.4.4: root@server1:~# dig @8.8.4.4 webexamplesite.com ; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> @8.8.4.4 ...
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votes
1answer
289 views

DNS how to dynamically bind subdomains to ip and port pairs [duplicate]

I'm using bind9 I have a zone file setup with a few subdomain A records. I'm wondering if I can create a subdomain record that points to an ip address on a specific port. I'm currently updating the ...
-1
votes
1answer
76 views

Masking CNAME/A Record Requirements from Clients

I'm reselling hosting services to non-technical clients. With regards to associating domains/IPs, the host I'm reselling requires that once a VPS is deployed i then go to the domain's registrar and ...
0
votes
0answers
73 views

RPZ in Bind and wildcards

I'n not sure if this is possible. I am able to setup a DNS with RPZ zones for blacklisted domains and whitelisted domains. The problem is that I want to whitelist only a couple domains while ...
0
votes
2answers
98 views

BIND: Whitelist IPs using nsupdate

I know that we can add any kind of DNS records in BIND DNS server using nsupdate. Can we whitelist or blacklist any ip in realtime using nsupdate. We whitelist only certain IPs to prevent our DNS ...
1
vote
0answers
197 views

Woes with named/bind and forwarding zones

I'm sadly restricted to a very old version of bind (9.4.2) This is the think. If I setup bind with a named.conf and only forwarding it works perfect. acl clients { any ; }; options { ...
1
vote
1answer
2k 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 ...
0
votes
1answer
61 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
votes
1answer
599 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
vote
2answers
77 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 ...
0
votes
1answer
500 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
85 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 ...
0
votes
1answer
90 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 ...
0
votes
1answer
163 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 ...
0
votes
1answer
302 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 ...
0
votes
1answer
173 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: ...
0
votes
0answers
45 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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vote
0answers
46 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
votes
1answer
47 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
votes
3answers
219 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 ...
0
votes
0answers
411 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
votes
1answer
239 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 ...
0
votes
1answer
141 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
votes
1answer
93 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
votes
1answer
698 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. ...
0
votes
1answer
3k 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
votes
2answers
53 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
votes
2answers
271 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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votes
3answers
130 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
89 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 ...
1
vote
0answers
38 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
vote
1answer
339 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
127 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 ...
2
votes
0answers
41 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
61 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 ...
1
vote
1answer
109 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
62 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
votes
2answers
876 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
vote
0answers
811 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
406 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. ...