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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When there is no matching host name in the forward parsing file, how to make bind query the domain name from the public dns

I own a second-level domain name a.com, and I have configured an A record for www.a.com in the public network. If public dns like 8.8.8.8 is used, it can be resolved normally. At the same time, I set ...
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Where to setup mail server dns MX records for subdomain

I have following configuration, I have my main domain example.org and some subdomain subdomain.example.org, both domains runs separate name servers, and both should route to different mail servers, so ...
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`ping` unable to resolve DNS but `dig` or `nslookup` works over VPN

I have installed Samba AD DC with a bind9 DNS, the DNS config contain: allow-query {any; }; When I'm connected on my local network I can (from any PC or server on the network that use the Samba's DNS)...
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How to set up apparmor for Bind DNS?

I have figured that on my server apparmor was preventing me from running Bind in chrooted environment. I have created folder /chroot/named with all of the directories and files that Bind requires in ...
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25 views

BIND9 sends notify to slave only with also-notify

I have a problem that has been driving me crazy for three days! I'm replacing my Authoritative DNS servers with new ones and then I'm resetting all BIND9 configurations again to do a bit more "...
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73 views

Create Fail2ban Rule for Named

As I am trying to create a rule for Fail2ban which seems to me missing for a long while as I being really nerved by in the past I'm also willing to submit it to the world :-) What's been done? ...
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BIND9 specifies DNS resolution for a specific domain name. There are problems with aliases

Now I am using BIND9. The functions I want to achieve are: use the specified DNS resolution for a specific domain name, and use another DNS resolution if there is no match to this domain name;For ...
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63 views

How do I set DNS round-robin traffic percentage with bind9?

bind9 allows you to configure DNS round-robin to multiple different IPs like: server A 10.10.10.1 server A 10.10.10.2 And it'll return 50%/50% approximate. However, I need it to return, for example, ...
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How can i correctly setup a local DNS server with BIND?

i setup a DNS server via Docker on my OMV NAS. NAS has static IP: 192.168.0.10 (DNS is reachable via Webmin) NAS runs BIND-Dns with Webmin in Docker listening on IP: 192.168.0.10:53 In my router i ...
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MX record (out of zone) has no addresses records (A or AAAA)

I have a problem with my zone config file, I hope someone can help me. I am trying to add MX record for a subdomain that we use for Microsoft 365 ecosystem I entered an MX record that was given to me ...
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split a zone file in multiple locations (for statis entries and ddns updates)

Im'm trying to have dhcp update my bind9 zone file with leases of clients, but, as I understand it /etc/bind/ is not writable by bind - should be just for reading static zone files. But /var/lib/bind ...
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dhcp dns update & some static A records - possible?

We run a dhcp server and bind on linux. Currently they run separately. Each dhcp assigned machine has a generic A and PTR record in DNS, so updates are not allowed. We would like to change that in a ...
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1answer
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Bind9 as non-recursive public DNS forwarder for AD

We use Active Directory. We have two local networks in domain, one in our building and one on Amazon. We are using two domain controllers on each local network. All 4 of them are synchronized over VPN....
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170 views

Dns using BIND9 and DHCP: no address records

I am using bind9 to configure a simple server, but when I try to execute named-checkzone mired.org /etc/bind/db.mired.org I got via console, NS 'asterix.mired.org' has no address records A or AAAA ...
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BIND reverse lookup not working

I've configured my bind server successfully for DNS lookup. However, the reverse lookup (IP Address to hostname) is not working. Here's my zone file: $TTL 38400 @ ...
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1answer
98 views

Can't connect to port 53 UDP on DigitalOcean/Linode

I'm trying to set up my own DNS nameserver for a CTF challenge. I have an Ubuntu 20.04 droplet running on DigitalOcean with Bind9 installed. It works fine when testing on that machine (e.g. nslookup ...
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139 views

What is an alternative solution to NAT hairpin?

I recently came across an annoying problem. I have Ubuntu server running in my home network that runs web server, DHCP and DNS. I successfully exposed it using DMZ, so I could access it from the ...
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BIND does not answer authoritatively

I want to use BIND as a public nameserver for the companies domains. I'm using a fresh installation of ubuntu server 20.04.1 and BIND 9.16.1. The issue is that BIND never answers authoritatively. I ...
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132 views

Bind DNS(Nameserver is unreachable.)

Good day! I would like to on how to bind dns to a NAT? Our old server was using a pulbic IP but due to change in service providers, we were given only an option to do port forwarding. So I have set up ...
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2answers
71 views

Configuring ASUS Router to use custom Bind9 and DHCPd on LAN

Let’s say I have a Raspberry Pi set up to be a client on the network and I want it to use 192.168.2.2 while the router uses 192.168.2.1, what’s the necessary router configuration to use the Pi’s dhcpd ...
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33 views

Home based DNS resolver for kids control

I wanted to start implementing a home resolver maybe on small linux machine, I was look more into a statistics and control of adding/removing records to block them eventually, for example point A ...
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1answer
80 views

Using BIND With Different Nameservers for Different Devices

I am running pfSense with BIND installed. On that machine, for a subnet of devices, I want the requests to go to OpenDNS and add my own records that would take precedence over OpenDNS. For the rest of ...
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Dynamic DNS for Multiple Zones in BIND

I am currently running BIND on my pfSense router. I have DHCPv4 setup to publish dynamic updates to the BIND server for my internal view. This works well and as expected. Next I want to setup the same ...
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218 views

Have BIND9 drop non-authorative queries

My ISP allows me to run a DNS server, as long as it won't respond to non-authorative queries. This means no response whatsoever. I had it configured such as to refuse non-authorative, like this; > ...
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Windows 10 BIND nslookup different results than Windows\System32\nslookup.exe

I am seeing some differences between using BINDs nslookup and the windows standard nslookup. It appears the windows nslookup is configured to use a search domain that the BIND one isn't. PS C:\Users\...
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Can DNS sinkhole protection be applied to specific LAN hosts

I know how to set up a DNS sinkhole that protects all hosts on a LAN, but is there a method of applying different sink hole definitions to different LAN hosts? Or even allow some defined LAN hosts ...
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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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74 views

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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1answer
138 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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1k views

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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1answer
181 views

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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1answer
524 views

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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1answer
168 views

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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1answer
22 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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1answer
311 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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1answer
42 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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1k views

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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1answer
868 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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1answer
1k 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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1answer
93 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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0answers
334 views

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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0answers
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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1answer
178 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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1answer
156 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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1answer
121 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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1answer
309 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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1answer
155 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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1answer
2k 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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135 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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1answer
217 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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