BIND is the de facto standard DNS server

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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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2answers
46 views

resolve bind mounts with a shell tool/script

currently i have a setup with two hardrives, one with xfs, the other one with btrfs on it. The root fs is mounted on the xfs, and the btrfs under /data. For verious reasons, the directory /var/www on ...
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2answers
78 views

Security of zone transfers for bind

When having two public DNS servers that provide NS, A, MX, and CNAME records for your domain (website), is it necessary to encrypt the zone transfer data or is it fine to have the master-to-slave sent ...
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2answers
26 views

Moving up DNS domain between webhosting servers

first post over here. Until yesterday I had a virtual shop working in a VPS webhost site, but because of the quality of service it was decided to move the whole webapp to another webhost, in a ...
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1answer
49 views

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
85 views

How can I programmatically modify DNS lookups in real time?

I want to use OpenDNS (parental control) and UnoTelly (geo-restriction circumvention) together. OpenDNS returns an IP to an error page if the site is blocked. So if I get that error IP, then I want ...
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1answer
208 views

Resolving IPv4 address from DNS using the IPv6 address of a host (bind9)

I need to make a DNS query to one of my clients using IPv6 to resolve the IPv4 address for the machine, how would I go about doing that. I know i can just use the hostname to resolve both IPv4 & ...
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1answer
100 views

DNS Hostnames - using internal and external zones

Looking for the correct or best practice way of doing this. If you have an external zone called example.com that runs your public mail, web, etc and an internal zone called corp.example.com that runs ...
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1answer
285 views

Many domains using a single IP address with BIND 9.7

I'm in the middle of migrating and configuring a web server with two domains (with one more in the future), and no sub-domains so far, but using a single IP address (for now). This type of ...
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1answer
116 views

TTL values for external DNS records

Upon setting up my zone files, I went back to review my TTL values. The default is set for 24 hours and I have individual TTL values set for each individual record. My thought was NS, MX, and CNAME ...
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1answer
304 views

DNS zone fallback file

I have the following DNS zone(bind): zone "." IN { type master; file "named.root"; }; If this zone directive cannot resolve the address, how can I "fallback" to another file for the same ...
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1answer
24 views

Bind RPZ config with domains of various level

I use RPZ to blacklist some domains and my configuration looks like: *.com A 127.0.0.1 mydomain.net A 127.0.0.1 if i query a whatever domain .com it works correctly giving me 127.0.0.1 let's ...
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1answer
61 views

Please explain to me named.stats file

I don't quite understand BIND9's statistics file named.stats. Couple of things: 1.) +++ Statistics Dump +++ (1453303803) - what does it mean? Is it when the file was created? And One and half billion ...
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1answer
180 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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1answer
81 views

Network routing issue after connecting to VPN

This is how my home network is configured: Internet connects to Router. Bind runs on a dedicated home server (called plug). Router is configured to use plug as DNS servers. Till today morning ...
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1answer
142 views

DNS local area vs DNS Virtualbox

I have been trying to set up a DNS server on my system using Linux and bind. (I'm working with CentOS and Linux on my Windows 7) On my Linux everything seemed to work:I can access my server and ping/...
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1answer
365 views

named.run file deleted but data left on disk?

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
309 views

named starts but doesn't answer until reboot

I have a current arch linux arm running on raspberry-pi and bind 9.9.4.P2-1 from the community repository. I'm using this bind as a slave-nameserver for our internal network. I have enabled named ...
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1answer
73 views

How to print a Bind10 cache dump?

How can you print the current state of the bind10 cache? I searched the bind10 manual and tried to figure it out using bindctl.
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0answers
18 views

'Named' slave the same as having forwarders?

I have a slave DNS server that dumped a bunch of... " error (unexpected RCODE REFUSED) resolving 'xxx.xxx.xxx.xxx.in-addr.arpa/PTR/IN'" messages all the sudden, and DNS lookups to the slave server ...
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0answers
15 views

What are the most restrictive external firewall / DNS listening port settings I can have for my DNS server (internal clients only)

This question relates specifically to hardening the configuration of DNS, firewalls and at the limit, ntp. (not proxys, http access,vpn's or other services). This is about the externally-facing side ...
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0answers
27 views

Can AppArmor restrict access to a specific interface?

A deceptively simple question; Can Apparmor on Ubuntu (any release) restrict network access for a specific application to a specific network interface? If it can; an example/tutorial/etc link would ...
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0answers
37 views

Bind a directory as me

Analogous for a regular user running a thin FTP server (where others can access the file system with his/her permissions), can a regular user (through fuse maybe) "mount" a directory for others to use ...
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171 views

Server-side move between NFS shares

I have these folders on my server: /share1 /home/user Both are actually on the same partition. Now I want to be able to move files between these two folders directly on the server (without any data ...
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530 views

How to bind ppp0 interface (PPTP VPN) as 'external' in proxy server?

I'm trying to bind ppp0 interface (PPTP VPN) as 'external' interface in proxy server (Tinyproxy). Unfortunately it does not work. Using route add -net default gw 10.9.0.1 I can make all the traffic ...
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23 views

Should DNS (PTR Records) be configured differently for different ipv6 networks?

I am configuring DNS forward and reverse lookup for IPv6(Redhat). For both /64 and /120 prefix i am using below configuration for PTR records. for address 6b00:8a00:a000:11a1::a2b:1c9f (Only a ...
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42 views

Making bind to listen to localhost in netns

I have a Debian Jessie running Bind. There is an OpenVPN connection set up. And resolv.conf set up to use local Bind first: nameserver 127.0.0.1 nameserver 4.2.2.4 I want to set up system in a way ...
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102 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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176 views

Debian Jessie bind9 permission problem

Whenever I start bind9 (/etc/init.d/bind9 start) I get the following reply: [FAIL] Starting domain name service...: bind9 failed This is what /var/log/syslog gives me: ... named[28282]: loading ...
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37 views

Configure Bind to use specific server as starting point for recursive query?

I'm attempting to setup a Bind DNS server which (for security purposes) is highly limiting. Essentially I only want to allow DNS queries to be made to a particular set of DNS servers which do not ...
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0answers
110 views

Bind9 dynamic zone: where does the delay between update and availability come from?

I have set up a bind9 name server and created a dedicated (internal) subdomain, which can be updated by everybody for whatever purpose. The setup is very in simple and does work in general, but there ...
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148 views

Can not reach local DNS server for local dot domain subzones because firewall returns gateway IP

I have pfSense inline between my cable modem and my switch, on pfSense I have a NAT port forward on 53 to my local DNS server which I want to serve local subzones to the LAN with. Right now when I dig ...
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460 views

rndc addzone failed: not found

I installed bin 9.8.4 (default) on Debian Wheezy. after configuration I tried to add a slave zone with the following command: rndc addzone test.zone '{ type slave; file "test.zone"; masters { ns....
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0answers
534 views

How can I use an ACL in BIND to forward requests per zone selectively?

I have some zones declared internally as forwards to another DNS, but there is a hefty amount of IP space we do not want to be forwarded in this manner for these zones. These forwards are for very ...
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0answers
4k views

centos 6, hostname won't resolve, dns issue, loop detected

I've searched everywhere and tried all the suggestions that I've seen, but I just can't get this to work now (it was working before). This is the first time I've ever installed a test server that I ...
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0answers
110 views

glTail and Bind9 logs

My bind9 server logs queries to syslog and it produces lines like this in /var/log/syslog Aug 23 17:25:41 serverdns named[1690]: client 10.10.10.20#35495: query: 52.122.168.109.blackholes.easynet.nl ...
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41 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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17 views

Bind: how to set a time for sync journal with zones?

I have set a bind server on Debian,wich is dynamically updated by dhcp. When a client send is hostname bind put in in journal zone(.jnl extension) And not immediately on zone db file. Is possible to ...
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34 views

How do I configure the SOA and A in the nsd.conf? and How do I configure the /etc/hosts and the /etc/resolv.conf for this 3 Domain names?

I use the authoritative-only Nameserver nsd for my authoritative example.com zone. My question: I have 3 domain names example-00.com example-01.com example-02.com How do I configure the SOA and A ...
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28 views

centmin mod setup Domain Nameserver

I install centmin mod on my VPS. (ex. IP VPS 49.49.49.49) then i select option (2) to Add Nginx vhost domain then i create 2 vhost mydomain1.com and mydomain2.com. add my domain panel, there's 3 ...
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12 views

Bind9 resolv on or off?

I'm using bind9 to run my own public DNS for my website. I've been getting a lot of error messages in my syslog file about hostnames not resolving. When I looked in /etc/default/bind9 I noticed ...
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39 views

yum updated bind last week. Afterwards, ping, yum update, lynx stopped working

Per title I issued a standard yum update 10 days ago. The only packages updated were php and bind. Afterwards, the network went bonkers. yum update stopped working (couldn't resolve address), I can ...
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70 views

nagios plug-in for collecting DNS stats not working on RHEL server 6.7

We are trying to get the check_bind.sh script to automatically update the named.stats file. However, the file only seems to update when we run the script manually or with a cron job. We have this ...
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0answers
110 views

why samba 4 is giving the following error attempting to join to domain

trying to join windows 7 clients to samba 4 that is using named as name server i am getting the following error: An attempt to resolve the DNS name of a domain controller in the domain has being ...
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426 views

CentOS DNS Server for localhost

I need install the DNS Server (BIND - CentOS 7) to work only locally. I mean, the same CentOS that has the BIND will connect/search in the DNS, any other host will 'connect' with this machine. The ...
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46 views

How Can I Set Up DNS Server on Virtual Network w/out Internet?

I'm trying to set up a virtual network populated with 4 CentOS 7 servers for testing purposes. I have successfully configured a Kerberos server and a secondary Kerberos server. However, when it ...
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40 views

Bind config options (recursion and forwarders)

I am trying to setup bind to authorize one zone and cash all other requests from provider nameserver. Do two options recursion and forwarders have linked values and affect each other? Should I list ...
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44 views

Misc file corruption freebsd 10 and dns zone file

The computer is a VPS from Vultr. They tell me that "since it is loaded into RAM and not really a drive, nothing on the host would be causing this." One particular file, my zone file, will come up ...
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19 views

BIND cannot map one name

I setup a BIND sever. Let domain be example.com, httpd running. There is a separate zone for aliases to another domain, different.com I setup zone file for different.com to be: am IN CNAME ...
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306 views

DNS/BIND configuration to resolve *.mail.*.outlook.com subdomains

I'm running BIND 9.3.3rc2 on a CentOS 5 system acting as an SMTP server. Until last week, I haven't had any problems with DNS or name resolution. The only problems I have resolving are with subdomains ...