Questions tagged [bind]

BIND is the de facto standard DNS server

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Bind9 socket.c unexpected error

The named process is giving this kind of error the whole day: Jun 17 12:50:43 s named[24479]: socket.c:5274: unexpected error: Jun 17 12:50:43 s named[24479]: connect(198.41.0.4#53) 22/Invalid ...
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1answer
40 views

How to grep all unique ip address in /var/log/messages and send them to another log file

I am in the prosses of decommissioning an old Redhat public BIND server and would like to find all unique IP address that are sending DNS request to this Nameserver. So far this is what I have been ...
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13 views

Make bind dns to use external recursive dns when resolving fail

My country block some DNS servers. So main recursive DNS server for our institution fails to resolve some domains. Is it possible to use 8.8.8.8 as fallback on our DNS server in case when own ...
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27 views

pfsense 2.4.4 BIND and DHCP updates

How can DHCP updates in BIND be set up? There is DHCP server for local subnets, running on pfsense-2.4.4. Two networks: 172.16.0.0/24 and 172.17.0.0/24 planned to be used. Also BIND on same pfsense ...
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1answer
14 views

several instances of bind serving same domain

I am trying to configure two DNS-servers (bind) on 2 linux-servers (server1 and server 2) acting as master for the same domain. server1 is intended as primary server and can resolve a subset of all ...
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1answer
33 views

Bind DNS Server

enter code hereI am setting up my primary DNS server. The reverse lookup appears to work fine, it is the forward lookups that seems to be the problem. Here are my configurations files. /etc/default/...
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1answer
18 views

DNS problem: no A record

Ten days ago, i installed a debian 9 stretch, at Kimsufi by OVH. i receive an email from support wich contains a problem with A record, my server is ns.xzave.net, and there is no record A on my server ...
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1answer
1k views

Split-horizon on DNSMasq?

Is it possible to perform Split-horizon with DNSMasq? I've googled and it seems like it is only possible with Bind9, any advice would be much appericated
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1answer
28 views

BIND subnet syntax

I am trying to add an entire subnet to BIND, rather than individual IP addresses. For example instead of doing this: example1.test.com IN A 192.168.5.43 example2.test.com IN A ...
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8 views

Is the masters configuration on BIND9 slave stansa limited to 10 IPs?

In the book "DNS and BIND" 5th Edition, it says in the Multiple Master Servers section Are there other ways to make your slave nameserver's configuration more robust? Yes -- you can specify up to ...
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17 views

How to setup DNSSEC in BIND on CentOS?

I'am searching the most simple way to setup DNSSEC in BIND using CentOS. I found a question but it's not Centos specific but it's 1000% closer to what I'm after than the entire first page on Google ...
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2answers
3k views

zone delegation in Bind

I have a lot of zones defined in my DNS server. I need to delegate one particular zone to a foreign DNS server and I don't have access to my domain-registrar control panel, currently. Is there a way ...
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1answer
232 views

Reverse DNS fail

I have an installation of Zimbra 8.7 CS multi server Server A: single-server installation (mail.jbv.cl 200.54.163.182) with two domains (jbv.cl and grupojbv.cl) Server B: a second MTA (smtp.grupojbv....
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2answers
5k views

What happens in a recursive dns query, if ttl = 0?

In name resolution (current version of bind), what happens when a recursive answer reaches ttl 0 on the return trip?
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3answers
4k views

Split DNS (bind9), match-clients any doesn't work?

I've been fighting with this for the last few days. A few of my entries have external and internal IP's. My internal network is 10.0.0.0/8. When I nslookup pc1.clase.net internally it responds with ...
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1answer
455 views

How to bind to a privileged port from a non-root process, on a Synology NAS

I want to run a custom DNS server (NxFilter to be precise) on a Synology DS115j NAS, which of course binds on port 53. This works when running as root, but I want to lock down the process now. This ...
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1answer
912 views

Error in named.conf

I am getting the following error: Starting named: Error in named configuration: zone blk1999.lab/IN: loaded serial 2001062501 zone localhost.localdomain/IN: loading from master file named.localhost ...
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2answers
998 views

bind9named binary missing - not starting

I have just compiles and installed BIND 9.9.1-P1 on Debian 6.0 as the version in the repositories is too old for Samba4, and am getting the said error. I have been looking for source for named, but ...
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1answer
1k views

Generate IPv6 reverse PTR records for /64 subnet

I use SixXS and delegated the reverse PTR ip6.arpa zone to my own NS servers, so I am able to set up forward-confirmed hostnames within my subnet. This is great. A particular /64 subnet I designated ...
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0answers
30 views

fstab bound folders show as disks in GUI

I'm trying to mount different folders on sda7 in the folders in the /home folder. like documents, pictures, and music. I always did that like this: /media/betty/Tuinhuisje/Betty/Documents /home/...
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2answers
825 views

named.run file deleted but data left on disk? [duplicate]

Today I had a name-server stop resolving DNS due to the /var directory being full from the named.run cache build up. I tried removing all the files using: rm -rf name* However, although running ls ...
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1answer
66 views

DNS forward only

Need clarification on the documentation on this topic somewhat and wanted to get more info on the following but just can't put my finger on it. Below is a snippet from a DNS BIND 9.9 configuration. ...
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0answers
117 views

Why do I have duplicate bind mounts?

I'm curious if someone could explain to me what causes the odd scenario where we have a duplicate mount that appears cyclical on Centos 7 when binding a nfs directory? In our hosting environment we ...
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1answer
355 views

syntax error /etc/named.conf [closed]

I am trying to configure DNS on RHEL 5 for study purposes. I have set up forward zones, reverse zones, and named.conf files in order to get the DNS working, but when I run service named start, I get ...
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1answer
19 views

There is any difference between this zone syntax?

I'd like to build bind zone files via Ansible. To decide how to structure the jinja2 template I need to know if there is any difference in any of these zone configurations: 1.) good old fashioned way:...
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1answer
347 views

bind 9.9.4 rndc: connection to remote host closed

I have installed bind-9.9.4-72 on CentOS 7.6 and everything seems working i can query my local zone and remote address etc. but somehow rndc not working This is what i did to configure rndc rndc-...
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1answer
279 views

BIND as a DNS server host command is refused

I am attempting to run my host machine as a DNS server, it will also function as the gateway. My /etc/named.conf is as follows: options { directory "/var/named/"; allow-query {127.0.0.1;...
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1answer
171 views

DNS Zone file will not load

Using BIND, I need to determine why my newly created zone file fails the named-checkzone check. Here in order is the named.conf file, the zone file and the error. I have tried changing the ip not sure ...
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0answers
984 views

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

I am trying to make a DNS server with bind9 on ubuntu, but when I nslookup the ip I only get the NXDOMAIN status. Same thing happens with my domain www.peliluolaXXX.net. How to solve this? Here are ...
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1answer
317 views

setting up subdomain at centmin mod

I am in need of setting up subdomains in my CentOS using centmin Mod. This is what I have done so far. Purchase a VPS with IP address: xxx.xxx.xxx and hostname: ns.mydomain.com Install centmin MOD ...
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1answer
466 views

How to deal with underscores in hostnames?

I got DNS set up on my company's server and it works just fine, except I got problem with some phones. For example one of the phones is “Huawei P9 lite”, and it's hostname (set on the phone, no chance ...
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1answer
350 views

BIND Reverse DNS Ignoring out-of-zone data

I have a simple, single-address reverse DNS PTR for 10.142.0.2 to gbox.example.com record set up like so: # cat /var/named/zones/0.142.10.in-addr.arpa.db $ORIGIN . $TTL 1D 0.142.10.in-addr.arpa. IN ...
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289 views

Bind - Configure different Forwarders only for Specific Domains CDNs (eg. Wetransfer, Cloudflare, Amazon AWS)

INTRO I've setup a linux box where there's a BIND that serves me as a local dns. Basically by taking advantage of RPZ I can restrict some hosts and at same time with DNSCRYPT I forward everything to ...
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1answer
3k views

Host home.lan.home.lan not found: 4(NOTIMP) error in bind9 (DNS)

I have been following this guide to set up a DNS server using bind9 on Ubuntu 12.04, but after all the configuration, when I run host -l home.lan I get the following error: ; Transfer failed. Host ...
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1answer
72 views

Pipe to fifo from script

I want to send commands from a script to twinkle (the VOIP software). I thought I could do this with a named pipe so I have created one mkfifo phonecmd If I start twinkle and pipe tail from the ...
2
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1answer
173 views

Cannot replicate DNS zone data from master on LAN to slave behind firewall in a DMZ

Here is some information about my setup. I have a master DNS server in my LAN subnet running on a Ubuntu 16.04 box. In addition, I have some slave DNS servers on my various other subnets (DMZ subnet, ...
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2answers
2k views

Bind9 — How to find which programs are making which dns lookups?

Using bind9 on a laptop shows lots of nonsense domains when network connectivity is down: Oct 18 19:56:18 lap3 named[1536]: error (network unreachable) resolving './NS/IN': 128.63.2.53#53 Oct 18 19:...
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1answer
418 views

Package 'bind9' has no installation candidate

I'm tying to install dns sever on ubuntu 14 , I get the error (Package 'bind9' has no installation candidate) and the get update command is not woking
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3answers
23k views

Why doesn't systemd-resolved use my local DNS server?

I'm using a local BIND9 server to host some local dns records. When trying to dig for a local domain name I can't find it if I don't explicitly tell dig to use my local BIND9 server. user@heimdal:~$ ...
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0answers
53 views

CentOS7 Bind config issue [closed]

I'm trying to create a web server using CentOS7 and Bind DNS on the same server. If I understand the process correctly then the below inputs should enable me to do an nslookup from a different ...
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1answer
440 views

Bind DNS configuration - IPv6 LAN, netplan

My ISP has introduced IPv6 to my world and I am happy for that so I don't want to just disable it. However it has introduced some issues. My issue of the moment is that I want my LAN bind DNS to use ...
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2answers
1k views

Running my own dynamic DNS record hosting

I intend to run a debian server at home, it will host various websites, SSH server and email. I have a dynamic IP address and I am unwilling to pay the extra for a static IP. I was thinking I could ...
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2answers
1k views

How to allow recursion for only 1 zone?

Is it possible to allow recursion for a single zone in BIND 9.6?
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0answers
137 views

Problem in receiving answers from bind DNS server

As a part of an experiment I'm running 3 Ubuntu machines in the Create environment. Call them client, server and attacker. Client connected to server. (10.1.1.2 and 10.1.1.3, respectively) Server ...
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4answers
43 views

How to reformat named.conf's zone blocks into single lines?

For reasons I won't go into here, I need to make a copy of an old CentOS 5.10 server's named.conf file and perform some text manipulation on the copy. The final result should consolidate each zone's ...
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1answer
438 views

Unable to update bind in CentOS 7?

I am trying to update bind in centos using this command. $ sudo yum update bind Getting this error Transaction check error: file /usr/libexec/setup-named-chroot.sh from install of bind-chroot-32:...
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1answer
96 views

OpenLdap 2.4 ACL

can you help me with rights for group OpenLdap 2.4? There is my slapd.conf # Allow LDAPv2 client connections. This is NOT the default. allow bind_v2 #Basic rights for authentication access to ...
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2answers
14k views

How can I reset or lower the serial used in BIND DNS server's SOA record?

I use BIND as my DNS server at home. For my Start Of Authority (SOA record) I always use a serial in the recommended format YYYYMMDD## where ## is the counter for changes on that day. ...
4
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1answer
780 views

BIND, in-view and dynamic updates

I have one zone in two views in BIND 9.10, sharing the same information via "in-view": Zone included in view A: zone "foo.tld" in { type master; allow-update { key "some.key.id"; ...
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50 views

Cannot bind a local domain name to my system

I have added a new zone to /etc/named.conf as follows: zone "mysite.local" IN { type master; file "mysite.local.zone"; allow-update { none; }; }; Also, the zone file is as follows: ;File ...