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Questions tagged [bind]

BIND is by far the most widely used DNS software on the Internet. It provides a robust and stable platform on top of which organizations can build distributed computing systems with the knowledge that those systems are fully compliant with published DNS standards.

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Set up bind9 for home server

I want to build a server at home and in order to serve subdomains I have to offer a DNS service. After several attempts and having followed many tutorials, I still have not been able to accomplish it. ...
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DNS not working with BIND and OpenVPN in a container

I have BIND and OpenVPN running inside a Docker container. The host IP is 192.168.1.2 and all clients in this LAN are using 192.168.1.2 as the DNS. All clients can properly resolve internal and ...
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23 views

bind9 resolve ip.example.com to ip

the company has changed to Zscaler private access, and now connections for an IP are no longer working. What is working, is a hostname, as it get's translated to 100.64.x.y and then routed to the ...
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22 views

How can I use the bind command for remapping keybindings for screen?

I am trying to use the bind command to remap C-a keybinding in screen, as I use C-a for getting to the beginning of a line. According to the screen documentation I should use the bind command for ...
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1answer
27 views

Use custom domains in local network

Is their any way to setup a custom domains setup in local network. For example. I have setup a Window 10 laptop as a server and setup many custom domains like 127.0.0.1 webmailadmin.maqbolsols.com ...
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29 views

How can I forward queries from a DNS to another depending on the IP address?

I set two DNS servers using bind9 which recieve queries from other PCs on a LAN. Both pc's have their own domain and so far I managed to make the main server redirect queries to the backup one if ...
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38 views

Pretty print / clean up BIND 9 zone file

I inherited some BIND 9 zone files that are terrible mess, bad indentation, directive order is different than typical, etc. Is there some utility that can clean them up, in the sense of reformatting ...
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63 views

Bind9 DNS flavors

I'm trying to understand how you would use a "Bind9 DNS linux server" in the real world. I have read that there are different "flavors" of DNS servers; authoritative-only server, caching, and ...
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1answer
93 views

bind9 servfail /bin/named/query.c:6984

resolving a domain with dig @localhost my.domain mx ends in servfail, with the following log: 20-Oct-2018 20:57:35.356 client: debug 3: client @0x7f9ed40aa0e0 127.0.0.1#59206: UDP request 20-Oct-2018 ...
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1answer
542 views

What is RDDS service and how to query the RDDS service

When I search whois data for some domains for example, liquid-solutions.biz, I get the following: Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output ...
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1answer
92 views

Upgrade 'dig' on Mac OS

It seems I have accidentally broke the dig command on my Mac. Now I have version 0.1.10, how can I safely update this? I can't seem to find any documentation on updating the internally loaded dig ...
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1answer
249 views

DNS server for home network without using resolv.conf, google dns, nor transfers

I have tried using bind9 and dnsmasq. I also set the server machine to have a static ip address. The OS is Ubuntu 18.04. I want to access the domain on Windows 7 and 10 machines. I have tested, and my ...
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45 views

installing webmin on an existing bind server

I want to use webmin to allow some less experienced administrators to easily create A records if they are needed. Will installing webmin with the DNS module affect the operation of my currently ...
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Can't Perform Forward Resolution via Secondary Nameserver to Delegated Zone

My organization's domain name is example.com. The organization's nameservers are named ns1.example.com and ns2.example.com. I am the administrator for subdomain project.example.com. Our IP address ...
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71 views

Implementing a “bind” DNS with RPZ blacklist without breaking DNSSEC

When implementing a DNS black-list using a "Response Policy Zone" (RPZ), you could end up breaking DNSSEC. Is there a workaround to this problem, when you are admin of the clients and every DNS-...
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1answer
26 views

How To Debug Internet Explorer Requests?

I am having a problem with my website, insurgent.info, which Internet Explorer will not display (as in, no error page or even any attempt at loading the site - the browser immediately passes the web ...
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2answers
54 views

CentOS bind9 server keeps getting error messages from master ADDNS

For the last couple of days, I have been trying to connect my Bind9 server to my AD's DNS as a secondary zone, to no avail. This is all done on VMware, with pfSense connecting the two (yes port 53 ...
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242 views

How to debug local named with broken dnssec

Update: I should have checked the BIND change-log to start with, I see this entry between the two versions I was using: 4957. The default setting for "dnssec-validation" is now "auto", which ...
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49 views

How to modify the behavior of the commands that delete “words” to the left

I've recently tried switching from being a long time tcsh user to bash and I was lamenting the extra key tapping for deleting "words" to the left, so I've been looking into modifying the behaviors in ...
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1answer
60 views

How to configure bind/named for this simple nameserver task?

I need to configure bind/named (on FreeBSD) to: listen on port 53 of a single IP, never look up records or forward any queries to any other server, never try and update its records from other ...
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1answer
45 views

Delegating a Reverse DNS Zone

I am using Bind 9 under CentOS 7. My company's domain name is mycorp.com. I administer mylab.mycorp.com. IT forwards (not delegates) queries for mylab.mycorp.com to my nameserver ns1.mylab.mycorp....
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52 views

No ping response after BIND9 zone creation

I have 6 VMs installed using KVM on ubuntu 16.04. I need to create the zone example.amir So that its prefixes are know to the VMs. I installed BIND9 on the host machine and I created the a ...
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1answer
93 views

BIND-9.8.2 what is the meaning of 'malformed transaction'?

Recently our master DNS service began logging errors similar to this: /var/log/messages:Jun 20 13:38:18 inet03 named[3720]: malformed transaction: dynamic/...
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44 views

Linux Ubuntu: What is the meaning of `request queued`

I am working on a BIND authoritative DNS server (for testing). I tried to sing a DNS zone using ECDSA. I got request queued after the command. What is the meaning of request queued? When will it be ...
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1answer
74 views

Trying to Add Registrar DNSSEC Records, - Need Some Guidance, Please

I have created DNSSEC records for my domain using an old guide from serverfault.com [ https://serverfault.com/questions/405528/basic-dnssec-configuration-under-bind-9-7 ] and I would now like to add ...
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2answers
90 views

Googlebot Can Visit My Website But No-One Else, - Struggling To Make Sense of This

I am having a problem with my website absolute basic HTML page. The nameservers are delegated to the majority of servers, including the AAAA address for the site, ports 53, 80, and 443 are all open to ...
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244 views

BIND: Keep cache in memory

I'm using a RPi3 as a DNS server(bind9). My goal is to make it a DNS LAN cache. So far it's working great, so I decided to test it with this benchmark(maybe this isn't the best benchmark to use, but ...
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57 views

How to set up DNS server on same machine as web server?

I'm trying to set up a DNS server on the same box as my web server. I have been following this tutorial and others like it but none of them describe what to do if the DNS server is going to be on the ...
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2answers
1k views

BIND can't resolve a domain name

I have a BIND ubuntu server as a private DNS server for com zone and two hosts (web servers). The three are virtual hosts using virtual box and connect together using a virtual host card. I have ...
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67 views

BIND server missed with the serial number

I did some changes to my BIND forward zone file. I changed the serial number t another number which might be higher than the last serial by more than one. Now I am unable to resolve names I am able ...
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2answers
5k views

Add CNAME record in BIND zone file

I have set up a virtual private network using virtualbox with a DNS server named: dns1.xyz1.com. I have a webs server named: xyz1.com. I want to use my DNS server to resolve the IP address of the ...
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344 views

Can Bind return IP address of CNAME record for outside host on authoritative server?

I'm running BIND 9.9.4 in a master/slave configuration on Redhat 7.4 with chroot. The servers are set with the "recursion no;" option in the named.conf file. I have an entry in one of my zone files: ...
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1answer
178 views

Can't resolve name to IP using private BIND DNS server

I am setting up experiment virtual network using virtualbox. I configured a BIND DNS server and have some hosts all using ubuntu linux. I made sure that the forward and reverse configuration files ...
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1answer
2k views

Error in named-checkzone: DNS zone error: has no address records (A or AAAA)

I am configuring my private DNS server. I am following this tutorial. But when I reached the Check BIND Configuration Syntax step, I got some errors. Here is the command output: x@e-dns1:/etc/bind$...
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125 views

Conditional response to DNS queries

I would like to have a name server that responds different results depending on the time, location and the IP of the client. How can I achieve that? Id it possible to do it with Bind?
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1answer
451 views

Recursive DNS server answers with CNAME but does not return the A record

I have a recursive DNS server that forwards to my primary DNS servers in order to get a resolution. Take the example I have the below CNAME: server1.example1.com. 300 IN CNAME ...
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1answer
94 views

Is It Possible To Have Bind Answer Authoritatively For Local Domains?

Just as the title says: is it possible to have Bind (named service) on a Linux machine (Fedora 27, Server Edition) answer authoritatively for local domains or, at the very least, answer in such a way ...
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67 views

Rewrite domain in resolve query

I've got very old environments with same AD domain names Environment A domain.com Environment B domain.com etc. For clients completely impossible to resolve something. Can someone suggest how to ...
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1answer
101 views

DynDNS CNAME Best practice

I have a DynDNS account with sub.somedyndomain.com. In an ideal world I would have sub.example.com (where I run example.com) functioning the same way as a dyndns, I have a BIND server running on a ...
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1answer
68 views

Slow BIND9 startup with large response policy zone on Raspberry Pi

I've setup a local copy of BIND9 as a caching DNS forwarder on my local network. I've also configured it with a large response-policy zone as a network-wide adblock. With the introduction of the RPZ, ...
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1answer
299 views

Filter DNS Forwarded responses with Bind

What options do I have for blocking DNS query responses containing a specific IP address or range? I'm reading up on DNS Rebinding attacks, and wondering how I might block them. When an attacker ...
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1answer
579 views

DNS Configuration for Multi-Level Delegated Subdomain With no Internet Access

I am using Bind 9 under Debian. I have one master and one secondary. My domain names are structured as follows: my-host-1.my-project.my-corp.com my-host-2.area-1.my-project.my-corp.com my-host-3....
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64 views

change BIND DNS response using iptables data

I have BIND DNS server configured with two views. both have different set of zone data. when end user querying the DNS server I need to dynamically route and change his request according to his needs. ...
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1answer
50 views

Understanding Wildcards in ENUM Responses

I have just started working on ENUM and we get some RR and Answers which are like these IN NAPTR 100 10 "u" "E2U+sip" "!^44(.*)$!sip:9739668530@isp.example.com;user=phone!" . I want to understand ...
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1answer
31 views

DNS-address can't be found

I've put an NS-record on the DNS from my registrar, and pinging my DNS is working. But when i want to open a page from my webserver, i get the message "This site can’t be reached www.thoelen.tech’s ...
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2answers
88 views

Can't get bind to redirect domain

So, I decided to set up bind as a DNS server (to be totally honest, it was just a practical exercise since I'm studying for the Network+.) But I can't make it work. I start with a zone in named.conf: ...
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1answer
1k views

rndc reload says zone was found in multiple views

$ sudo rndc reload 15.168.192.in-addr.arpa rndc: 'reload' failed: multiple zone '15.168.192.in-addr.arpa' was found in multiple views It is true. I have the zone in multiple views, so I need to use ...
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1answer
3k views

understanding bind9 query log

I'm running two bind servers a activated query logging but don't know what exactly i see here and not finding anything on the web which enlightens me; 31-Oct-2017 17:56:35.464 queries: client x.x.x.x#...
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1answer
80 views

Bind DNS serverdo not answer domain name

I setup my bind server but I can't access my web server using my domain name. does anybody knows What can be wrong? My server can connect by IP but can not connect by domain name. I tried to turn off ...
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1answer
66 views

Why does dig Answer my queries differently?

I am unable to understand why there is a difference in how dig is Answering my queries in the client. I have configured the Zone file as below in DNS $ORIGIN mail.lab.example.com. $TTL 0 @ IN ...