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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14 views

New to BIND - cannot resolve address name

I'm trying to make an A record/DNS entry to a machine connected to our network. I can ping the machine by IP and by hostname on the the DNS server, NS1. Though I suspect this is because i added them ...
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Modifying A record in bind server with DNSSEC

System: Debian 10, Bind: BIND 9.11.5-P4-5.1-Debian named.conf.local: zone "example.com" { type master; file "/zones/db.example.com"; inline-signing yes; auto-dnssec maintain; ...
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71 views

Bind9 and Debian10, can't run named

I'm using Debian 10. I installed bind9: sudo apt-get install bind9 bind9utils dnsutils I prepared my own conf file (in path /home/student/dns/myconf.conf): options { directory "/var/named"; listen-...
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How to force TCP packets for testing DNS?

DNS uses UDP packets normally. However when the response is larger than a certain size, it switches to TCP. It would be very useful if we can specify TCP/UDP when running DNS query commands with DIG ...
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debian bind load zone permission denied

I have bind9 installed on Debian 10. It can't load created zone xxx.yy with error: loading from master file /etc/bind/zones/db.xxx.yy failed: permission denied /etc/bind/zones is mounted to fresh ...
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dig: couldn't get address for 'ns2.bluedental.pl': not found. Linux DNS server

I have my own DNS server. Web browsers shows DNS_PROBE_FINISHED_NXDOMAIN for my sites. My external IP is 37.190.144.15 For example I have cloud.bluedental.pl domain. When I type dig cloud....
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Setting up named in arch linux

I am trying to set up a domain on an Arch Linux VM. Following is my named.conf options { directory "/var/named"; pid-file "/run/named/named.pid"; // Uncomment these to enable IPv6 ...
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16 views

BIND based DNS server for local server

I'm currently trying to set up a dns server for home server system, such that I can visit external websites as normal, but when I visit 'http://example.local' on any device in the network it redirects ...
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213 views

DNSoverTLS for upstream recursion requests in Bind9/Stunnel

There is a lot of information out there about DNSoverTLS and different combinations of setups, and I've slowly been going through different combinations to get the right setup for us, but it's led to ...
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26 views

Bind can't resolve the domain (only forward)

I followed this tutorial as well as I could on my Fedora 31 box. I have a setup with a router running on 192.168.1.1 and two machines with fixed IP addresses: mando (192.168.1.2) and carbon (192.168.1....
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What are the real world differences between bind, systemd-resolved, dnsmasq, etc.? [closed]

I'm trying to achieve three simple goals (on our CentOS8 server)... local DNS resolution/caching DNSSEC DNSoverTLS At first I went straight for dnsmasq because that was what it seemed most people ...
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61 views

Is it possible to round robin DNS requests?

I'm not sure I've phrased this appropriately, but what I'm trying to accomplish is an ever so slight annonymization of the machines online footprint by issuing DNS queries to a list of DNS servers in ...
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Namecheap domain to OVH dedicated server

My domain is hostet on namecheap and my dedicated server is from ovh. Proxmox 6 is running on the dedicated server, a virtual machine for my webhosting is setup, based on debian 10, on top of that is ...
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Sink-holing ad sites with Bind9, but can I allow ads from some defined 'parent' sites through?

I've successfully implemented the instructions here to create a Bind9 based ad blocker and things work OK... actually they work a little too well. I'm finding some sites like google shopping and ...
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Local DNS server being ignored by browsers on Windows

I have deployed a Bind9 DNS resolver inside a VirtualBox VM (running Ubuntu 18.04) on my Windows computer in order to resolve some local domains for development purposes. I have configured manual DNS ...
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nslookup dns reverse lookup not displaying Server: or Address: anymore?

My dns server is no longer displaying the Server: and Address: when using reverse IP lookup. The command works succesfully but I can only get Server: and Address: being queried when using "-type=a or -...
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301 views

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

I have the same issue as in Error in named-checkzone. I have cross-checked my zone file and they are properly formatted FQDN. I checked the zone file using : :/etc/bind$ sudo named-checkzone ...
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32 views

BIND9 configuration, which allows DDNS updates and configuration-mgmt updates in the same time?

Not sure if it is possible at all, but I am trying to find solution for such setup: BIND9 server, managed by Puppet(https://github.com/ajjahn/puppet-dns), Puppet populates zone files for all static ...
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BIND DNS: Exclude specific sudonmain to wildcard Record

I don't know if i am in the good category or even the good forum. But like i saw many tutorials on Ubuntu and other linux version and their fixs didn't solve my problem, i imagined that there is some ...
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16 views

DDNS records read from secondary DNS

I use BIND9 with DHCPD(Centos 7) and configured DDNS. It works well on this server. Question is how I can read DDNS records on secondary DNS(Bind9) from this primary DNS ? I configured slave zone on ...
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113 views

ACLs for a BIND Linux DNS server?

I am working on a BIND DNS server for DNS forwarding. I noticed that you can create an ACL to have trusted clients on the server. Can I configure the BIND server without an ACL, or is it necessary to ...
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80 views

Bind query log has a new 6th field that used to be client IP#number. Log format seems to have changed

Bind query log has a new 6th field that used to be client_IP#number. Log format seems to have changed. What is this new @0xXXXXXXXX data? 13-Sep-2019 08:48:09.526 queries: info: client @...
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Whenever my Ubuntu 18.04.3 suspends, BIND and LAN stops working. What could the reason be?

I have a Dell Vostro 5470 with Ubuntu 18.04.3, BIND and Apache Web Server. When my system suspends automatically: The wired connectivity fails to connect Running sudo modprobe -r r8169 && ...
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44 views

BIND round-robin doesn't work as expected

I'm building round-robin DNS with BIND 9. I thought I made it cause when I type nslookup stack.gearon.com, several ip returned like: Server: 10.1.2.210 Address: 10.1.2.210#53 Name: ...
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63 views

Dynamically-linked DLZ modules in BIND9

BIND9 allows you to link dynamically loadable zone (DLZ) modules at runtime using the dlopen driver. The unit test for this functionality passes for my environment, but when I try to run named with ...
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69 views

BIND9 cannot resolve external DNS queries

First of all, I am not experienced in this field. Therefore, the question may be nonsensical. I have installed BIND9 on my server machine (Ubuntu 16.04). DNS forwarding does not work if the client ...
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84 views

How to Assign Multiple IP Addresses and Subnets to Bind?

I have a home webserver, /29 IPv4 addresses (3 currently assignable from the block due to having a routed subnet with gateway address requirement) and two addresses already assigned to my DNS records. ...
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704 views

BIND create reverse zone for /21 block

LINUX, BIND9 I have a network which sits in /21 block and would like to make a reverse zone, I would like some guidance to know where to look to create the reverse zone file. I could make seperate ...
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71 views

Do NS records in a DNS zone without delegation only have informative character?

I have set up a private DNS zone and there I have searched through the internet to setup the zone correctly (SOA, NS, A and other record types). There is no delegation from a overlying DNS zone to my ...
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58 views

Why does port redirection via IPtables for a second DNS resolver on the same server not work?

I have a Raspberry Pi that is running Bind9 as an authoritative DNS server for a local zone. Every other DNS requests are forwarded to a public DNS server. So Bind9 is listening on port 53 at address ...
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39 views

Is there a way to force Bind9/Named to always request recursion?

From what I can see, RD bit is set on queries only when the resolver is using a forwarder. If it uses a hint or a master record it does not set the RD bit. I know this is configured so that ...
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Docker bind troubles [closed]

Probably beginner question - but why copy do not work? I have played with volumes and mounts - what I need is simple shared directory that i can read / write from both host and container (host has to ...
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41 views

Bind zone file cache and dns cache

In my lab,there are two name servers running bind9: ServerA has a zone file for "example.com"; ServerB has a zone file for "sub.example.com" which is subzone of "example.com". In ServerA's zone file,...
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95 views

a dns server acts as a caching server and authoritative server at the same time

a dns name server acts as a caching server(recursion yes) and authoritative server(has zone file of "example.com" zone) at the same time,if i query this name server for resource record about "host....
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23 views

Bind (named) DNS Server not properly resolving hostnames

Having some issues getting my DNS server to work. As it stands, the DNS server itself cannot get any local dns lookups to work - NXDOMAIN error. I've connected a client into the network and was ...
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239 views

Bind 9 Zone Transfer Denied for View

I am running BIND 9.10.3-P4-Debian. I have two authoritative nameservers: a primary (192.168.200.3) and a secondary (192.168.201.3). I want to serve all records to hosts on my subnet (192.168.200.0/...
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419 views

How dig my local server DNS directly

I created server DNS. I can dig my domain directly and I see that I have correct answer in my local network: dig example.com Why I can't get answer from my domain like dig example.com @...
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657 views

Error starting Bind9.11.3 with dlz_bind for Samba

I'm configuring a samba server that will migrate from Zentyal (replication of ldap then demote Zentyal). I configured bind which works until I implement dlz "AD DNS Zone" { database "dlopen /usr/...
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Can't start Bind open: /etc/named.conf: permission denied - Centos 7

so I'm really new on this and was following this tutorial to set up bind, and up to 4:50 I was having no problems, I could ping, use nslookup and had internet connection with the dns server, then we ...
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67 views

Set linux DNS settings

I've got a server with a bind9 server installed on it. I want to use itself as as DNS to resolve local addresses and forward other traffic to other DNSs. I know that I've got to change the file /etc/...
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123 views

Bind9 , avoiding servfail/repeat query when in “forward only” on unreliable connection

I understand this might sound like a bad idea, however... When using a very unreliable upstream link in a gateway with bind9. Is it possible to configure bind9 to aggressively retry its queries ...
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139 views

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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195 views

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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53 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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52 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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451 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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56 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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185 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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90 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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2k 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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