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Questions tagged [bind]

BIND is a free, open source software implementation of the Domain Name System (DNS) protocols. The name BIND stands for "Berkeley Internet Name Domain", because the software originated in the early 1980s at the University of California at Berkeley. BIND is currently maintained and developed by the ...

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1answer
52 views

How to use nameservers instead of A name record in bind

Sorry if my question is wrong, Suppose I have a domain called ab.com and I want to use nameservers instead of A record using bind DNS, how can I achieve it? For example, Namecheap Domain Panel:- ab....
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22 views

(BIND9) Domains within certain Zone stop resolving randomly / intermittently

I've been stuck for a while with an error related to bind9 and particular domains within a zone. Sometimes the resolution of one or more random domains within the zone ("errorzone", let's say) stops ...
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2answers
33 views

Bind - Resolve two domains with a single server

I need a bit of help with BIND (Centos 7.5) Bit of a back story: We are running two domains on the network. One called company.domain.com and one called comp.domain.com company.domain.com has ...
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1answer
23 views

Exclude a single record from DNSSEC - is it possible?

In a domain running DNSSEC, is it possible to exclude a single record from DNSSEC? For example, would it be possible to have mail.example.com running DNSSEC, but www.example.com not running DNSSEC? ...
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0answers
25 views

Configure ddns and master slave zones with update-policy

I try to configure ddns and master-slaves zones, and got a question how to do it with update-policy directive in bind configuration. I read bind docs and configure this: zone "tech.com" { type master;...
2
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0answers
23 views

Should (or can) master and slave DNS servers have different RRSIG entries?

I've just configured DNSSEC on my master DNS server and in testing with dig from each server to the other, I found that while each server had RRSIG entries they were different. Is this expected ...
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1answer
36 views

The `zones.rfc1918` file for Bind9 and other 'good practice' for the Ubuntu 18.04 era?

I am setting up Bind9 on Ubuntu 18.04 and found this SF article for Ubuntu 10.04: What is the point of the zones.rfc1918 file for Bind9?, with a comment citing documentation from Penn State in 1996. ...
2
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0answers
17 views

BIND logging - general vs. unmatched

The BIND9 Administrator's reference manual states that the general category is "the catch-all; many things still aren't classified into categories, and they all end up here." On the other hand, the ...
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0answers
41 views

samba 4 ad with bind dlz with 2 network interface

i have a Samba4 AD server with BIND_DLZ working. My server has 2 network interfaces, one for the administration and another to clients. The problem is that i need that samba listen on both ...
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0answers
38 views

Setup DNS Forward Server to forward only specific domains

I want to setup DNS Forwarding Server to forward DNS resolution requests for only specific zones. I am using the following config. acl "trusted" { localhost; 10.x.x.x/24; }; options ...
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1answer
72 views

Why does my VPS have a default domain name? [closed]

I have purchased a new VPS with a dedicated IP address. I noticed that its hostname is something like vmi223344.example.net. I then was able to access the Apache server by browsing http://vmi223344....
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3answers
48 views

Block any query in BIND

I've been trying to block ANY queries in my BIND server with no success. I followed this post Block ANY request in Bind which says that I can use minimal-responses but it doesn't work. None of the ...
2
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1answer
44 views

bind9 DNS server and virtualhosts apache2: getting to work multiple virtualhost like foo.myenterprise.com

My goal is to host various sites (local virtualhosts) on my apache webserver in the LAN of my enterprise (Debian 9 server). So that: openproject.myenterprise.local => /opt/openproject wiki....
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0answers
29 views

bind9 wilcard exclusion / force ipvX in wildcard environment for specific hosts

Using bind9, there the zone example.com with A and AAAA records for *.example.com. There is an A record for ipv4.example.com and an AAAA record for ipv6.example.com. Since ipv4.example.com has no ...
1
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1answer
53 views

Bind, common zone on views possibilities

Hi I've created 3 bind server for public resolution (authoritative). i got 3 view : World (with an Any acl) East-Asia (with a GeoIP acl) Internal (for internal IP) i would like to share some ...
1
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2answers
56 views

Advertising as DNS server

I have a DHCP and DNS server running from BIND on CentOS 7. Clients (Windows and Linux) automatically DHCP to the CentOS server and everything works hunky-dory. However, the only way DNS works is if ...
0
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1answer
25 views

Resolve specific Domain query using View in BIND9 (Forward)

I am trying to setup a whitelisted domain forwarder in my bind9 but it wasn't successfully accomplish maybe due to the configuration that I applied. A couple months ago, I did setup the same ...
0
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3answers
68 views

BIND - DNS Reverse zone : No current Owner

I'm doing a internal test (Centos 7 Virtual) about how to setup a DNS server. Using bind i had no problem to get a named-checkzone -D with an OK syntax at the end. but when i'll try to get the ...
0
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1answer
30 views

BIND doesn't seem to be fowarding properly

I'm trying to use BIND as a forwarding server to two different DNS. When querying example1.example.local I receive an IP but when I query example2.example.local, It can't resolve it. When I directly ...
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2answers
33 views

Different PTR record resolve in DNS my DNS server and the public DNS server

I have created a PTR Record for Mail matters on my DNS server which can be seen as public. But after a day it is not recognized by mxtoolbox.com. I have checked every possible syntax errors but there ...
3
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1answer
93 views

Edgerouter DNSmasq send updates to BIND

TL;DR: How do I configure the Ubiquiti EdgeRouter, running DNSmasq or DHCPd, and NSupdate, to send its DHCP leases to a central BIND server? I have a system comprised of a few Ubiquiti EdgeRouter X's ...
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2answers
225 views

Can BIND setup with only A names and fully qualified host names work properly?

I recently came across a zone file for BIND which used only Address records with fully qualified domain names for each IP. Example snippet: subdomain1.example.com. IN A 192.168.1.10 subdomain2....
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2answers
45 views

List dynamically added DNS records

I can't figure out how to list dynamically added DNS records. Lets say I add a record like this: ~$ nsupdate > update add test.domain.com 3600 A 1.2.3.4 > send After this I can look up the sub ...
4
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1answer
147 views

PTR not showing in dig request

I am trying to set up a PTR for reverse DNS so that mail that gets sent from me scripts doesn't get blocked due to reverse DNS failure. I beleive my zone is set up correctly, however me "thinking" it'...
3
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2answers
58 views

Malware DNS A record points to my ip address

I've used BIND for about ten years but am by no means an expert, at all. Having said that, I just wiped my VPS due to a crytomining malware infection. While I was getting BIND set back up I noticed ...
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1answer
97 views

Reverse DNS works on our Bind9 server, not anywhere else

Up until a couple of days ago, our reverse DNS for our class C IP space was working fine. Now, other mail servers are reporting that they cannot find the RDNS response for the IP address of our ...
4
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1answer
242 views

Exposure of hidden-master stealth DNS server on public-facing authoritative slave

In a typical hidden-master DNS network layout, there are basically two components: Hidden master DNS server, may be behind a NAT or firewall, or be totally exposed Slave authoritative non-recursive ...
0
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1answer
37 views

BIND9 - How to change ZONE-Info on secondary NS if primary is down?

I have a primary (master) and a secondary (slave) BIND9 DNS on DEBIAN9. See full config here: old Post root@server1:/etc/bind# named -v BIND 9.10.3-P4-Debian <id:ebd72b3> On my secondary NS (...
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2answers
104 views

Disable root servers in bind [closed]

I installed a simple bind server on fedora 28. By default dns-queries for which it has no answers are sent to the root servers. However I want them to go to the openDNS servers. I have removed the ...
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0answers
69 views

opendkim on lokal net not working

I have a assignment in school to setup bind9, postfix, spf, dkim and dovecot on the same machine for the address mcduckcorp.duckburg.cali on a Debian 9 OS. I have managed to setup bind9, postfix and ...
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2answers
58 views

External DNS to manage Domain // Ways to test the own external DNS server

i have several domains at Strato. I want set up my own external DNS to manage my domains. To do this at Strato I used the option "Domainverwaltung: NS-Records ändern". I had to provide 2 Nameservers ...
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3answers
52 views

Delegating only a third level zone (a.b.com) to cloudflare

I am in the process of trying out cloudflare. I host my own DNS (b.com), and I have created a distinct third level zone (a.b.com). I put glue records in the b.com zone and setup the a.b.com zone in ...
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0answers
19 views

Why does my Bind RPZ config work for one host, but not the other (SERVFAIL)

I have some hosts in a DMZ which need to use LDAP resources on the LAN. We don't forward DNS into the LAN, so instead of adding entries in individual /etc/hosts, I decided to try a Bind RPZ zone to ...
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1answer
39 views

How can I prevent BIND from sending “Authoritative answers can be found from:”?

Here is an example from performing an nslookup from a Unix server (IPs and domains all fake): $ nslookup > set type=srv > _kerberos._tcp.example.com Server: 192.168.1.100 Address: ...
5
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1answer
109 views

Large AXFR through dnsmasq causes dig to hang with partial results

I'm attempting to set up dnsmasq as a local cache for consul. While this seems to work fine for normal digs, dnsmasq seems to only allow partial zone transfers. My resolv.conf: search x.domain.com y....
2
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0answers
38 views

Bind forward zone stopped working after upgrade to 9.13.4

I am running a BIND9 at a network edge. All internal clients query this server, requests should be forwarded to external DNS-servers except if it's for an internal domain. The latter should be ...
1
vote
1answer
137 views

bind: loading from master file failed: file not found

So I'm kinda a newbie and I'm following this to connect a domain to my server. here is my codes: named.conf.options: acl "trusted" { 124.243.241.164; 124.243.241.164; 124.243....
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2answers
119 views

bind9 strange logs and lot of them

This is my log from bind, these request don't stop comming and named uses a lot of cpu 27-Sep-2018 21:34:19.693 queries: info: client 217.107.34.85#25183 (jk1l.ru): query: jk1l.ru IN ANY +E (192....
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1answer
31 views

ISC-DHCP-SERVER adding incorrect reverse zone entry

I have ISC-DCHP-Server and BIND9 running on Debian Stretch. I am trying to setup Dynamic DNS for my client computers, but I'm struggling with the reverse zone. Currently, when computers request an ...
0
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1answer
76 views

bind9 - one domain for multiple zones

I am maintaining a DNS host with bind9 inside company. My problem is the I am supporting few Teams and I would like to split their configuration into separate files, but all of them has the same ...
0
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1answer
14 views

Bind9 reverese look up error with CNAME and 192

I'm trying to configure my bind9 resolution file to take in CNAME and a reverse ipv4 of 192.168.1.112 but everytime i add them it just doesn't work as it shows in the video tutorials This is my ...
1
vote
1answer
20 views

Error when running bind9 resolution file

I seem to be having trouble resolving my web domain with bind9, I'll use the domain name example.com, I can connect to any other website that's not configured in my bind9 zone file, i know this should ...
1
vote
1answer
45 views

Can a DNS (BIND) server be set to provide name resolution for LAN machines that have no FQDN?

All machines on the LAN are named <machine_name>.local. Can I set up a DNS (BIND) server for my LAN's machines that will provide name resolution? For instance, if the DHCP (or /etc/hosts) is ...
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0answers
31 views

EDNS Client Subnet (ECS) : Can I receive the clients IPs by default?

I'm setting up a Bind service version 9.9.5 as an authoritative only server. I would like to know if I receive EDNS Client Subnet (ECS) queries which includes clients IPS by default. I know that I can ...
0
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0answers
25 views

Split horizon with automatic forwarding

any a idea how i can setup an Split Horizon Bind DNS with automatic forwarding to the external View? my current setup is this: /etc/named.conf file include "/etc/myrndc.key"; controls { ...
0
votes
1answer
29 views

GeoIP Split DNS Wrong 3rd View on Slave

Successfully configured Bind to host multiple views with TSIG with this guide. Problem is when I add a third view to the mix, things get weird. On each server, I have 3 views right now: USA Europe ...
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0answers
70 views

nsupdate communicate with server failed

I have installed gnudip (a ddns server) on my server, then added 2 zones for 2 domains for it to be dynamically updated. I am using Centos 7, BIND 9 configed BIND9 as follow /etc/named.conf root:...
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2answers
80 views

How configure Bind (DNS) server to respond internet requests

I'm new to Bind so please forgive any "silly" questions. I've configured a Bind Server on CentOS-7, Server name CentOS-DC (10.64.33.115). I've also configured 3 CentOS-7 Clients CentOS-App-01 10.60....
0
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2answers
72 views

Slave DNS not acessible from outside network: Bind9 misconfiguration or firewall issue?

I'm not sure why I can't access my Slave DNS from outside my network. I've probably done something wrong while configuring it, but I just can't figure out what. Can someone give me a little help? ...
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0answers
50 views

BIND9 DNS Subdomain

I've searched around and thought I had my bind9 DNS zone file set up correctly, but apparently I have an error that eludes me. Can anybody point out where I've gone wrong in this zone file? It ...