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Questions tagged [bind9]

78 questions
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1 answer

BIND9: DNS resolves sometimes (!) take very long or don't work at all

I have a BIND 9.9.5-9+deb8u8-Raspbian DNS server running on a RPi3 in my network. It is - for everything that's not my home-zone - configured as a "forward only" with the forwarders "{ 8.8.8.8; 8.8.4.4; 208.67.222.222; 208.67.220.220; };". a) the…
Nick
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2 answers

How to return multiple DNS A records in a specific order using bind9?

I have a bind9 testing environment in Debian wheezy that I am trying to set up two A records that are returned in a fixed order. In my named.conf.options file I have the following configuration: options { ... rrset-order { order fixed;…
Questionmark
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why host from bind9-host is/was deprecated and when?

I was looking at bind9-host shirish@debian:"04 Jan 2020 15:48:02" ~$ aptitude show bind9-host=1:9.11.5.P4+dfsg-5.1+b1 Package: bind9-host Version: 1:9.11.5.P4+dfsg-5.1+b1 State: installed Automatically installed: no Priority:…
shirish
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How to generate TSIG key for certbot plugin 'certbot-dns-rfc2136'

I'm configuring BIND9 to obtain a wildcard certificate from Let's Encrypt. When I try to generate TSIG key according to instruction here, I got the following error: # dnssec-keygen -a HMAC-SHA512 -b 512 -n HOST keyname. dnssec-keygen: fatal: unknown…
KaiserKatze
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Multiple named processes for bind9 in Debian

I'm running a name server using bind9 on Debian. I noticed that there are multiple "named" processes running, when bind starts: How can I limit this to n bind instances (processes)? What is the recommended use of multiple bind processes? I know…
Paulie-C
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What is the difference between localhost and localnets in named configuration

Reading about acl statement in bind's ARM found the following: localnets: "Matches any host on an IPv4 or IPv6 network for which the system has an interface. When addresses are added or removed, the localnets ACL element is updated to reflect the…
Bulat M.
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2 answers

postfix log messages: RBL lookup error: Host or domain name not found

I'm finding quite a few of these types of messages in my postfix log: 17:40:55 smtpd: warning: 34.77.82.185.b.barracudacentral.org: RBL lookup error: Host or domain name not found. Name service error for name=34.77.82.185.b.barracudacentral.org…
gogoud
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4
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Reduce bind9 cache on a forwarded zone only

I have a caching recursive DNS server running bind9. For a single local zone, I have a forwarder set up with type forward and forward only, which works fine. I want to limit any caching of the forwarded zone to 5 seconds (both positive and negative…
abligh
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3
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bind: forwarding zone does not work when allow-recursive not allowed

I have the following setup: DNS-Server reachable from the internet, is authoritative for zone foo.com DNS-Server reachable only locally, should be authoritative for zone test.lab.foo.com What I try to achieve: When a DNS query from the outside…
Racer
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How do you setup the catalog zone in BIND9?

I've been trying to setup a catalog zone in BIND9 so that way I do not have to manually update my slaves each time I add or remove a domain. I asked this question and the answer would be to use the catalog feature of the new version of BIND. I tried…
Alexis Wilke
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Removing Incorrect WINS record

So I have a Ubuntu 14.04 server that I'm trying to get to run as a Domain Controller for a set of Windows machines. I've set up a Bind9 DNS and it works fine, pinging the nameserver gives the correct IP: 192.168.0.3. However pinging the Netbios name…
Jack
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1 answer

bind9 - timed out resolving

I have a bind9 server spun up on one of my old test test boxes, and it's close. Everything appears to be working, however I'm getting 'time out resolving' errors spamming my sys.log from what appears to be 3 specific DNS…
Jason Justinger
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Forward DNS requests for a zone except one record?

I've got a domain name and hosting web content with a provider, so have for example server.example.com hosted in the cloud. The provider also manage my DNS. Now I would like to run nextcloud on my home server (and expose it to the internet) and…
Joe Moore
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Can I exclude some clients from BIND query logging?

We have some BIND DNS servers we are thinking of shutting down. I turned on query logging to see which clients are contacting these servers. The vast majority of entries are from three known culprits. I would like to eliminate these from being…
John Hascall
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Prevent resolvconf package assign localhost if named bind9/dnsmasq is found on host

Resolvconf is a package born to handle different specific situations like lans with dhcp, vpn, and other situation where everyone try to change manually the /etc/resolv.conf file. It has an algorithm where the max priority is obtained with a list of…
user3450548
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