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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Trying to use sed to edit named.conf and add some DNS forwarders but can't?

Trying to replace all the forwarders with new ones but I can't seem to the pattern matching to work. I can't see the mistake for the life of me: sudo sed -i .bak "s/forwarders {[^]]*}/forwarders { ...
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11 views

Order in which Resource Records(RR) are answered by Bind if Order and preference are Same

I had a query on how the following Records can be ordered on how the Records are configured in the Zone file I have done 2 different Tests I have configured following records in the Zone file ...
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20 views

Bind increases my outgoing traffic and bandwitdth [closed]

I'm trying to set up a DNS server for the website I'm building in a shared vps. I left bind running a few days back and left it that way. Today I realized that the bandwidth used today is 100GB out of ...
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0answers
12 views

How to get unbound to forward DDNS updates?

We use bind on CentOS as our primary name server but also recently (again) started using unbound in front of it (on port 53) so that domains can be (partially) overridden transparently. The only ...
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2answers
62 views

Best model for private DNS zone

I work for a small company with a couple of public URLs.The DNS is hosted by a big ISP, and it has a couple of A & CNAME records. Inside our private network, we have many servers & hosts that ...
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2answers
14 views

bind subdomain zone file to keep traffic local

We have a local owncloud server and if we set up the clients to use the IP everything works fast. If we setup the domain (a DYDNS subdomain, prsc.noip.me) is VERY slow. A bit of research indicated ...
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0answers
9 views

bind: dns_master_load: file format mismatch

I have set a slave DNS server for myzone.info domain. After reloading bind 9.9.5 on Ubuntu, syslog gives the following messages: Jul 13 17:12:14 dns2 named[18599]: dns_master_load: file format ...
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2answers
37 views

Bind9 doesn't start on boot with Ubuntu 16.04

I'm using a VPS, and with the Ubuntu 16.04 image I can successfully install bind9, but it doesn't start on boot. There's no named or bind9 under /etc/init.d. Running service bind9 start works as ...
3
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1answer
220 views

Will setting lower TTL on name server (NS) records cause the TTLs on other records to lower?

I have a question on setting TTLs on NS records. Taking this example: example.com. 3600 NS ns1.example.com. example.com. 3600 NS ns2.example.com. test 14400 A example.com. So in this ...
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0answers
22 views

adding subdomain using bind9

I have a problem in configure sub-domain using bind9 on Ubuntu Server. All works fine but sub-domain doesn't, and I can't detect problem. I am configure nginx correctly, And I'm sure there is not any ...
3
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1answer
27 views

bind9 does not resolve dnssec correctly

I have a problem with my dns server setup. My bind server is mainly a cache-server but does also serve some internal domains. It listens only on my private network and serves only requests from there. ...
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2answers
12 views

BIND recursive query logging

I have a BIND name server that has been purposefully enabled for recursion. However, I would like to log all the recursive queries that it handles/forwards. I am using the following configuration: ...
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0answers
27 views

Can't bind UDP socket but port is free

I've been struggling for a while now with this so maybe someone here is able to help me. I'm setting up a CS:GO server that's going to be running on port 27059. (This is a copy&paste from a ...
2
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1answer
29 views

Samba4 Bind9 client registration as A Host

I have setup an AD DC using Samba4 with Bind9. Everything works perfectly. The problem I'm seeing is after joining a computer to the domain, the computer doesn't appear in DNS as a Host (A) compared ...
0
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1answer
27 views

Use one $INCLUDE for the SOA record for several zone files / Bad Practice?

So, we're self hosting our DNS forward and reverse zones, and are using our upstream - ISP as slaves. Now, we've got a bunch of zones that have an identical SOA record. I want to use an $INCLUDE for ...
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0answers
16 views

Linux - bind DNS+DHCP@LAN - dynamic update not working

This is my first attempt to make bind dns and dhcp server on Linux, and I have some issue. Have this: one DHCP/DNS server (hostname:services) 192.168.3.10 few hosts (host1, host2, ...) few vlans (...
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1answer
26 views

With BIND 9 how can I match-clients in multiple views?

BIND appears to be looking at the configuration file from top-down and assigning queries to the first matching view based on match-clients. According to http://www.zytrax.com/books/dns/ch7/view.html ...
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12 views

bind can I use hostnames in also-notify instead of IP?

I'm using my VPS provider's DNS servers as a slave, and to send them notifies, I use the also-notify function. They're making changes to the IP scheme of their DNS, which means I need to update my ...
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0answers
22 views

Use Mysql as backend to Bind

I've bind installed on my server. I want to manage dns records and zone files through a web interface instead of directly editing the zone files on the file system. Developing a web app that ...
1
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2answers
36 views

BIND Slave Unable to Receive Zone Files--SERVFAIL

I've been banging my head against the bind manual and google for a few hours tying to get this figured out, but I'm not sure where I'm screwing up. I built this on a few local VM's, and the slave ...
0
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0answers
35 views

DNS request has status: SERVFAIL

Can you please take a look at the below config and what I am doing wrong? Just set up Ubuntu 14.04.4 LTS with bind and when I do a dig to my server I get a status: SERVFAIL My configuration is the ...
1
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1answer
25 views

DNS Server is working localy but not accessible to the world

I have set up a DNS server using Webmin and BIND on CentOS 7. I had done this job before and everything went well. This time when I try to test it via running dig command in local server it's ...
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1answer
42 views

BIND9 : can't find domain.tld: No answer

My Bind9 server answers "No answer" to any query : ychaouche@ychaouche-PC 12:11:02 ~ $ nslookup google.com 10.10.10.7 Server: 10.10.10.7 Address: 10.10.10.7#53 Non-authoritative ...
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0answers
16 views

BIND cache dump file format parsing

I'm trying to analyze the contents of BIND's cache by looking into dump files, the ones generated by rndc dumpdb -cachedb. ; ; Start view _default ; ; ; Cache dump of view '_default' (cache _default) ...
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2answers
32 views

DNS / Update slaves without NOTIFY from master

If I have a master zone which is configured not to send any NOTIFY's, can the slaves still query the master, check the serial and get a zone-transfer? I thought there were 2 possibilities: Master ...
2
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1answer
44 views

possible to see remaining DNS negative cache for domain?

For normal DNS lookups, one can use Dig to get an answer including the remaining TTL for a DNS record. If that answer is from a cache, the TTL will "count down" until the next authoritative query, and ...
2
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0answers
21 views

Role of Authoritative NS record in bind9 compared with Non-Authoritative NS record in Registrar [duplicate]

Whenever we register a new domain name from a Registrar, we need to tell them what is the nameserver by providing them the dns server IP address. But in the same time in the zone file of our dns ...
1
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1answer
20 views

How to configure bind9 in order to point server IP to nic?

Brief Introduction I bought a domain name example.ir from my country domain name provider nic.ir and a VPS from examplevps.ir. My VPS gave me an static IP and let's imagine it's: 170.120.100.140 ...
1
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1answer
71 views

Samba 4x domain. No logon servers available

I've been migrating a server that was RHEL 5 32 bit to a Centos 7 64 bit server. This a file sharing / domain server, and I have experience setting up Windows Domains, but not samba domains. My issue ...
0
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0answers
23 views

Multiple names for the same IP in reverse dns file of BIND9 [duplicate]

I'm configuring an authoritative domain name server with bind 9 (on Enterprise Linux 6). I have only two server (ns1.mydomain.com and ns2.mydomain.com) But ns2.mydomain.com is also a web server, so ...
0
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1answer
29 views

BIND master trying to update through NAT

Good morning, all! Just a quick question on BIND behaviour on a RHEL machine: Current setup is 1 master, 3 slaves. When I change a record and issue a reload, the master apparently broadcasts the ...
1
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1answer
26 views

SOA admin mail field

I'm configuring bind name server. But we don't have a mail server in our zone. can I use my gmail as admin mail server? this is the configuration I want to use: mydomain.com. 10800 IN SOA ...
1
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1answer
33 views

Configure bind9 as slave DNS server w/ master DNS server having dynamic IP

I'd like to configure bind9 as DNS slave server doing axfr from a DNS master server (PowerDNS) which is behind a dynamic IP. The usual configuartion is: zone "example.com" { type slave; masters {...
0
votes
1answer
80 views

How to add a CNAME record?

On PowerDNS on a Raspberry, I have recursor pointing to Google (8.8.8.8) and only one zone file and it contains: $ORIGIN abc.co.uk. $TTL 1h @ IN SOA ns.abc.co.uk. hostmaster.abc.co.uk. ( 1; serial ...
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0answers
28 views

PPTPD VPN Can't connect to the internet

I'm running a Ubuntu 16.04 Server on a VMWare ESXI Server with its own public IP, I have setup a pptpd vpn server which works but only with connected devices. I can't connect to the internet with it ...
1
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1answer
56 views

DNSsec responses from named / bind intermittently has RRSIG records missing

Responses from our nameserver are intermittently missing RRSIG records despite being requested. All other associated records (such as A records) are returned OK. Consequently dnsssec validation fails. ...
0
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2answers
88 views

RHEL/CentOS 7 run named-chroot on systemctl named invocation?

How can I make systemd treat calls to systemctl xx named as calls to systemctl xx named-chroot? Under RHEL/CentOS 6 installing the bind-chroot package would set up a chroot'ed environment for BIND, ...
2
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1answer
23 views

Subdomain DNS with A record for subdomain root?

I'm spinning off a subdomain from my company's domain. Now, it has been some time since I do DNS/BIND configuration, so I need your help to ensure that my configuration is sane/correct: So, for the ...
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votes
2answers
46 views

How to configure mutli-level subdomain DNS record

I have configured the DNS records for a stage server for my application so that when someone visits stage.example.com and www.stage.example.com will work. (Actually if he visits the first he will be ...
0
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0answers
55 views

BIND forwarder failover

Is there a proper way to set up multiple DNS forwarders? In events of failure, instead of working with the list of forwarders set in /etc/named.conf, the forwarding functionality simply fails. ...
4
votes
2answers
239 views

Zone transfer between PowerDNS and Bind9

I have a problem when trying to transfer a full zone from a PowerDNS server to a Bind9 one. The weird part is that there are several zones on the PowerDNS server which serves as a hidden master (with ...
1
vote
1answer
192 views

DNS Named.service isc_stdio_open 'data/named.run' failed: permission denied

Hi guys I have problems with starting systemctl named.service I was trying to install bind & configure everything to make a public domain name work but I ran in this problem. systemctl status ...
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0answers
21 views

opening everything for forward only zone centos

We have a forward only server, which has forward lookup zones and no self-awareness (to resolve any name other than the zone file records). This setup was created for the clients to restrict the ...
4
votes
0answers
50 views

Authentication issues when clients access domain-joined server from non Samba4 subdomain DNS name

We have an issue we’ve been struggling with for quite some time since we rolled out 10 Samba4 domain controllers at our main office and all remote sites about 3 years ago. Simplified Current ...
0
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1answer
29 views

bind master slave. What if MASTER dies

Ok, Let's say I have 2 BIND servers (master & slave), the master fail's. The slave still answer to the queries... However, they do not have the zone files on the file system... If I reboot the ...
1
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1answer
137 views

Use Linux BIND DNS server for my Windows Active Directory 2008 R2

How can I use a Linux BIND DNS server for my Windows Sever 2008 R2 Active Directory? We are trying to avoid having to use the Windows Sever 2008 Server as a Domain Controller at all. We want to use ...
0
votes
1answer
35 views

Sync secondary name server zones to primary server

I have two servers with Plesk, unfortunately I'm not a pro, so sorry if my question is stupid. The first server functions as a primary server with with many domains. Before that this server was the ...
1
vote
1answer
45 views

Master-Slave DNS Ubuntu Configuration on AWS

I have following architecture. Domain example.com registered with external provider. 2 DNS to-be servers within AWS: DNS SERVER 1 (MASTER): Public IP: 100.200.300.400 | Public DNS: 100-200-...
0
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1answer
20 views

How do I make bind add client-subnet to recursing requests?

I'd like a Bind DNS server to add a client subnet EDNS option (ideally one I specify) to any requests that it recurses to an upstream DNS server, to cover for the fact the clients themselves aren't ...
0
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0answers
90 views

Windows machine can't resolve newly added DNS name from CentOS named server but can resolve others

OK, I am going to try and explain this as best and easiest as I can. I have a CentOS 6 machine (named SRV3) running as a DNS server for all of our domains. This is working fine. I have another ...