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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0
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1answer
17 views

BIND9 , restrict RNDC controls to specific views

I have a BIND9 installation where the zones are partitioned in different views. I'd like to restrict the RNDC controls to this specific views. Example: I want a RNDC client to be allowed to delete ...
3
votes
1answer
249 views

Can one server do DNS for a domain and a subdomain?

I have a situation where I need to replace the nameservers for both a.b.c and b.c. I'd rather not have to dedicate two machines to this. I've been reading about multi-homing but the examples all ...
2
votes
1answer
27 views

DNS troubleshooting and Bind Error

When we access carsizler.com by domain name it takes too much time, but when we access the site by IP (103.225.77.2) it opens very quickly without any delay. Can you help us determine what the problem ...
2
votes
1answer
54 views

Wildcard in named.conf.local (Ubuntu/Bind)

I'have a ton of domains I want to park using the same template. I've made all neccesary changes to my nameserver. Currently, I have to add an entry to named.conf.local for each domain that I'm ...
0
votes
2answers
111 views

DHCPD assigning wrong DNS server

I just installed two Ubuntu 14.04LTS servers. The first one I installed bind9 and isc-dhcp-server on. The second one was left as installed to use DHCP. I created a new private network using VMware ...
0
votes
1answer
385 views

Windows DNS as secondary to BIND Master

Could someone please explain to me the process of setting up DNS on Windows Server 2008 as a secondary to a BIND DNS Master. The BIND master is setup and operating correctly as a Nameserver. I'm ...
0
votes
2answers
41 views

Remap domain onto subdomain using bind

I have a domain internal.example.com and a second domain foo.bar.com. Each of these domains has their own bind9 instance. I would like to be able to access records in foo.bar.com using the subdomain ...
0
votes
1answer
532 views

BIND as secondary DNS to Windows Server 2012. Windows complains that BIND is “not authoritative”

Short version How do I tell BIND to be authoritative for a zone that it is a secondary master for? I think I understand the meaning of authoritative but ... maybe not. I want it to be a secondary to ...
0
votes
1answer
281 views

Setting up Reverse DNS - SERVFAIL error

I am using Ubuntu Server and installed BIND9 so I could set up a DNS server. I am tying to configure Reverse DNS. Here is my /etc/bind/named.conf.local file: zone "grupolar.com" in{ type master; ...
1
vote
0answers
21 views

bind-sdb does not query for wildcard entry

I have successfully set up Bild with LDAP on a Fedora VM. The Problem is, bind-sdb simply does not query wildcard entries. When I do: nslookup doesnotexist.example.com. 127.0.0.1 The LDAP server ...
1
vote
0answers
163 views

BIND/Linux limiting concurrent UDP connections

I'm seeing an issue where the number of concurrent UDP connections to BIND appears to be getting limited. I've previously increased recursive-clients in named.conf and I've increased the socket limit ...
0
votes
1answer
24 views

cname and wordpress domain map

I have a domain like this (www.example.com.br) and I'm also the manager for the domain and the nameservers too (the nameservers are Bind). Now I have a blog from wordpress.com and I wanted to map ...
0
votes
2answers
72 views

migrating site to new ip - some computers still see the old site

I have moved the site domain.com from ip.1.1.1 to ip.2.2.2. I have changed the A records in bind on the DNS. My local DNS is set to google's (8.8.8.8, 8.8.4.4), so for me, the issue was resolved in ...
1
vote
1answer
782 views

What can I do to prevent BIND from outputting these logs

I recently noticed that BIND has been producing a large amount of logs in /var/syslog relating to one particular server (ezdns) Jun 3 03:29:24 overlook named[6586]: success resolving ...
0
votes
1answer
1k views

Reverse lookup SERVFAIL

I just set up a DNS server and a web server using Virtualbox. The IP address of the DNS server is 192.168.56.101 and the web server 192.168.56.102. Here are my configuration files for the DNS server: ...
1
vote
1answer
130 views

Caching issue with Centos forwarding DNS server

I installed a Forwarding DNS server on Centos 5.10 and it is resolving addresses e.g google.com. When I stopped named (service named stop) and tried to dig (dig @localhost A google.com) there was a ...
1
vote
0answers
97 views

Bind9 External Reverse Lookup DNS Problems

I have a problem with a group of bind9 DNS servers running on Centos 5.10 The servers are on an internal network and are NATed from the internet facing network architecture to allow external ...
1
vote
0answers
96 views

Windows 2012 Master & Ubuntu Bind 9 Slave & SOA

I'm kinda like the maid... I don't do Windows. But thanks to new things we're implementing, I'm now attempting replicating a single zone from our AD cluster. We had this working just fine but ...
1
vote
1answer
83 views

Is there a way to use Bind9 $GENERATE directive for rDNS of ranges bigger than /24?

The $GENERATE directive of bind9 makes it possible to autogenerate the reverse mapping for a range of IPs what is really helpfull for reverse dns of a dhcp range. But it seems that the $GENERATE ...
0
votes
2answers
194 views

Protecting my Bind dns server from slow kaminsky-style cache poisoning attacks

Dan Kaminsky described how DNS servers could be poisoned with spoofed DNS responses [1]. As I understand it, the problem was that Kaminsky found a way to account for most other sources of randomness ...
4
votes
0answers
764 views

Nameserver: Slave can't transfer zones from master [closed]

My slave can't transfer the zones from the master. My configuration: Master server: Ubuntu 12.04 with Plesk 11.5. Plesk uses Bind 9 as nameserver. Slave server: Ubuntu 12.04, Bind 9. To tell the ...
5
votes
1answer
198 views

Bind: “unexpected end of input” due to NS

I have stumbled upon an odd error in a master-slave(s) configuration of Bind. The zone works fine on the master, but on the slaves I'm getting these kind of errors: 21-May-2014 19:06:07.573 general: ...
0
votes
1answer
69 views

Split-DNS with a zone being generated automatically

I want to run a DNS setup where the zones are managed on an internal Active Directory DNS server. There is a slave DNS server on the edge on the network which runs BIND (I am open to switching this, I ...
0
votes
2answers
423 views

BIND Slave Receiving Notify From Other Slave?

I have a master nameserver setup with a few slaves as well. Today I was changing one of the slaves to a new server when I came accross a weird error message. After updating the DNS records on the ...
0
votes
1answer
85 views

Centos BIND9 multiple NS with different IPS

I just acquired a Root Server and configured OpenVZ for multiple containers. Each container has a different IP. What I am trying to do is to centralize all DNS related stuff in the main server os ( ...
0
votes
1answer
338 views

Setting up mx record in bind9

I have ubuntu machine with bind9 and tinydns installed on, as well as dnscache. And I'm now trying to add a MX record to bind9 zone file. Yet nothing seemse to have any effect. This is the data file ...
0
votes
1answer
66 views

Configure Bind9 master zone to accept all third levels of domain [duplicate]

I tried for several hours configuring a Bind server on Debian 7 in order to obtain this: *.example.local. I need that every third or fourth level for "example.local" (for example: abc.example.local, ...
1
vote
1answer
117 views

Multi-homed forward zone DDNS updates always sent out the same network interface

I have a multi-homed server 'dhcp1' with network interfaces '192.168.10.151' (eth0) and '192.168.0.151' (eth1). The machine is attempting to use DDNS with a name server 'ns1' having network interfaces ...
1
vote
1answer
130 views

RHEL5 - Bind doesn't return IPv6 records

I've got two DNS resolvers: RHEL5 - BIND 9.7.0-P2-RedHat-9.7.0-17.P2.el5_9.2 RHEL6 - BIND 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.4 The configuration is exactly the same, both DNS servers are not ...
4
votes
2answers
644 views

Updates to a BIND dynamic zone that is shared between views delayed

Here's the quick and dirty: On BIND9 with a dynamic zone that's shared between views, doing a nsupdate, updating/creating/deleting a record will work fine if I query for that record from a client ...
0
votes
1answer
1k views

DNSMasq vs Bind for simple dns url blocking

I am building a dns server that will block access to specific websites by returning an incorrect ip address for a domain. Currently I use DNSMasq to perform this however my list is quiet large and I ...
1
vote
2answers
504 views

BIND9 DNS with external view inside the internal view

I'm planning a new BIND9 DNS Server with a special kind of view. We a have a lot of external zones and public IPv4 addresses. To keep things simple we have a subzone of our external domain just for ...
0
votes
1answer
173 views

Configuring ENUM on BIND 9.8.1

In Bind 9.8.1 Ubuntu server 12.04, I configured ENUM (Electronic Number Mapping). 1) Create named.conf.enum file in /etc/bind named.conf.enum content: zone "adras.af" { type master; file ...
2
votes
1answer
7k views

server can't find XXX.in-addr.arpa: NXDOMAIN

I am facing problem while configuring BIND DNS sowing server can't find XXX.in-addr.arpa: NXDOMAIN while reverse dns check! everything works on forward DNS lookup but reverse DNS lookup fails. Here ...
0
votes
1answer
192 views

Forward DNS queries of a subdomain to another port

I have some software which provides dynamic information via DNS, similar to a DNSBL. How do I run it on the same server as a BIND server that's also serving DNS requests for other domains? I just ...
-1
votes
2answers
74 views

my master dns is running on Debian, can i configure rhel as slave DNS

I need to configure a slave dns on RHEL 3 , but my master DNS is Debian 7, is it possible to configure dns on such manner if possible kindly help me on this
0
votes
1answer
32 views

Protection of a dns server

I recently started to host my own domains on my servers. I can already see a fair bit of bogus queries arriving to my servers. Some dns amplification attacks, etc. What can I do in order to further ...
0
votes
1answer
297 views

Bind9 Master Slave replication

I have Bind9 on Debian for NS1 and NS2 They are two virtual machines. I create a file /etc/bind/zones/db.domain.com Then I have to add this to the /etc/bind/named.conf.local zone "domain.com" { ...
0
votes
1answer
107 views

Problems with CNAME In GeoDNS Setup

I'm trying to setup something similar to a CDN (Content Delivery Network) setup. What I want to do is use DNS records that return an A record based on where the user is geographically located. I was ...
0
votes
0answers
86 views

maraDNS NON-AUTH timeout

I've set up maraDNS to provide my own DNS records. I've pointed the domain nameservers at my registrar to ns1.domain.co.uk and ns2.domain.co.uk (using domain in place of actual domain name). I cannot ...
0
votes
0answers
105 views

Debugging private DNS - PTR not working?

I'm using a slightly modified version of named 9.8 to manage an internal-only domain. The forward lookups are working ok but reverse isn't. There aren't any error messages - just no hostname returned. ...
0
votes
1answer
91 views

Bind Requested DNS Server IP Log

I have a DNS Server which runs on a virtual linux box with several IPs. Bind provides some pretty detailed debug logs, however, one piece of information that doesn't seem to be logged is the requested ...
1
vote
1answer
443 views

Forwarder dns not resolving reverse lookups

I have created one new dns server in lab and its working properly. Earlier we were using another dns server for lab pc's as 10.20.30.xx. which is outside the lab premises. now issue with newly created ...
1
vote
1answer
143 views

BIND DNS zone coalfired.net/IN: coalfired.net.coalfired.net/NS 'ns2.thirteen.pm.coalfired.net' has no address records (A or AAAA)

Since I updated my BIND DNS server I seem to be having problems with it. For some reason, when I try to start the server I get errors such as this appear: zone coalfired.net/IN: ...
6
votes
3answers
324 views

How to prevent Bind from responding to spoofed IP addresses?

We all know about open resolvers, this question is kind of for the inverse situation. I have a DNS server that is locked down to certain CIDRs acl trusted {[..] options { [..] allow-query { ...
-1
votes
2answers
88 views

How to configure Bind9 to return a fixed IP on non-exist request?

I want that Bind9 returns a fixed IP to the clients when them request invalid(non-exist) domain name to it. For example: Client requests the doesnotexist.co domain. This domain is not found by the ...
1
vote
2answers
128 views

Is ISC BIND unaffected with OpenSSL Heartbleed bug?

There is a bug Heartbleed in OpenSSL. I built ISC BIND 9.9.5 with OpenSSL 1.0.1e enable. Should I re-built BIND with OpenSSL 1.0.1g?
0
votes
2answers
387 views

Why BIND does not use the forwarders any more?

BIND does not use the forwarders to resolve any more. It just goes to the root servers. I do not know when this started happening since everything worked transparently, but for sure bind configuration ...
1
vote
1answer
143 views

DNS secondary server for external domain and DNS lookup fails

Dedicated server CentOS 6, Parallels Plesk Panel 11.0.9 (64 bit) ISP: 1&1 Problem 1 (Solved): Google and other mail providers were classifying as spam, messages sent from mydomain.com using PHP ...
0
votes
0answers
211 views

Master DNS allows External Forward, Slave does not

We have a 2 master setup that was built poorly, so we want to downgrade the second master to a slave configuration, I try and run the conversion and it works well enough internal addresses, but when ...