1
vote
1answer
20 views

BIND9 wildcard and unqualified name

When an unqualified name (a name without a terminating dot) is encountered in a zone file, BIND9 appends the origin value ($ORIGIN directive) to it. Example: ns.domain.tld. IN A SERVER_IP ...
1
vote
1answer
200 views

What can I do to prevent BIND from outputting these logs

I recently noticed that BIND has been producing a large amount of logs in /var/syslog relating to one particular server (ezdns) Jun 3 03:29:24 overlook named[6586]: success resolving ...
6
votes
3answers
272 views

How to prevent Bind from responding to spoofed IP addresses?

We all know about open resolvers, this question is kind of for the inverse situation. I have a DNS server that is locked down to certain CIDRs acl trusted {[..] options { [..] allow-query { ...
0
votes
2answers
127 views

Why BIND does not use the forwarders any more?

BIND does not use the forwarders to resolve any more. It just goes to the root servers. I do not know when this started happening since everything worked transparently, but for sure bind configuration ...
1
vote
2answers
73 views

Debian resolver adds domain and I don't want that

I have the following problem: if I ping a non existent domain name I get a reply from an IP address # ping nosuchdomain.common PING nosuchdomain.common.myrealdomain.com (192.168.1.1) 56(84) bytes of ...
1
vote
1answer
102 views

Debian 7.2 (wheezy) - Block domain

0 down vote favorite A few days ago I figured out that someone was trying to get access to my mailserver, obviously to send spam emails through. After some research I found out that the sender uses ...
0
votes
2answers
52 views

Map subdomains to local IP address AND being reachable from the Internet

I would like to do a mapping between subdomains and my VMs local IP addresses. Something that looks like this schema I've set up my DNS directly on my server (myserver.com for the example) and I ...
10
votes
2answers
229 views

Name resolution difference between CentOS and Debian

I have a small Java program that loops calling InetAddress.getByName("example.com") every second. When I run it on a CentOS 6.4 box using 'strace -f' I see that /etc/resolv.conf is opened and read ...
1
vote
1answer
94 views

What is the purpose of using resolve.conf along with authoritative DNS?

I have a Debian 7 server that I just installed and configured. Linode is the provider. There is a file called /etc/resolv.conf that contains "members xx.xx.xx" and 2x "nameserver xx.xx.xx.xx" lines. ...
0
votes
2answers
163 views

sub domain not working in my website

My subdomain is incaccessible since SEVERAL hours. This often do. They are inaccessible for a while and suddenly they are again accessible. I didn't see the problem, I configured bind9 like this : ...
0
votes
1answer
180 views

Dynamic dns service like dyndns.org [closed]

I am trying to setup dynamic dns service (for personal usage). Something similar to dynds.org. Things done so far: - delegated example.org to external dns server in ovh (my box) - setup bind to ...
1
vote
1answer
268 views

NGINX One Domain - Several webservers on internal IP

I have a case I am not sure how to manage and would like some advice. Current: One domain-name - one external ip. One already working Debian Server with NGINX for hosting webpages. So, as it is ...
0
votes
0answers
89 views

DNS unreliable for local server; Using IP address works

I'm a programmer, but since I'm working at a startup it's forced me to do system administration. Specifically, I set up a continuous integration server running Debian and Jenkins. The problem is that ...
0
votes
1answer
32 views

Recognize subdomain alias

I have Debian virtual server on some sub-domain (for example subdomain.domain.com) and i have alias for this sub-domain (for example alias.domain.com), of course when I use both of this sub-domains ...
1
vote
2answers
424 views

DNS Server with dnsmasq

I'm trying to set up dnsmasq as a dns server on a virtual machine running Debian. I can successfully run nslookup from another computer: nslookup facebook.com 10.0.11.2 and the answer I get is: ...
0
votes
1answer
217 views

Configuring VPS running OpenPanel for hosting with external nameservers

I have a VPS running Debian 6.0 and OpenPanel. With all the regulars already running(mysql, apache, php, etc) Now, i ran into the problem with domains and DNS. Im not really an expert in that area so ...
0
votes
3answers
220 views

Local alias in /etc/hosts not working anymore without internet connection

I have my developer machine on which I work on web applications running under apache on Debian testing. Now I like to be able to have myApp as domain name and not to have to use localhost or ...
1
vote
1answer
383 views

Bind9 getting out-of-zone warning on forward address

I've searched for hours after hours finding similar errors in almost all relevant forum sites on the web and none have helped me resolve my problem. At the moment I'm running Debian 6.0.6 with Bind ...
0
votes
0answers
53 views

Apache Virtualhost doesn't work

I use debian 6 and I setted my webserver and it works perfectly. However, when I tried to link my domain on my VPS, it doesn't work. Load fails. I also tried to ping my domain and it points to the ...
-1
votes
3answers
223 views

How to update debian dns server? New VM with same hostname as old VM

We run several linux VM's on our Hyper-V cluster. Our old IT manager configured the dns server to resolve the url 'devlabs.ourdomain.com' to a debian squeeze apache webserver hosted on the hyper v ...
0
votes
1answer
458 views

WP HTTP Error: Couldn't resolve host

I keep getting this kind of error in my WP dashboard: WP HTTP Error: Couldn't resolve host I tend to believe it's a DNS issue although all was working OK before. What I have done is altering the ...
1
vote
2answers
4k views

BIND permission errors

I've been trying to use nsupdate to dynamiclly update my nameservers records. I get a serverfail when i attempt it. This is from the syslogs. Nov 12 08:00:53 ps133045 named[14314]: client ...
1
vote
1answer
95 views

Wrong IP address in ssh restart

I've just set up a second vps (s2.example.com) and when trying to restart SSH I'm getting the following error: "The authenticity of host 'restart (xxx.xxx.xxx.74)' can't be established." The IP ...
1
vote
2answers
214 views

My own Nameserver wont resolve domain

What I want to do is to make my domain name resolve using my own nameservers. I got 3 VPSes, all running debian and a domain name, mydomain.com 2 VPS are nameservers and 1 is a webserver. At my ...
1
vote
2answers
217 views

Advice on setting up my own DDNS server

Hello I've got a petproject running, creating a DDNS that is. I've read up on it but before I start buying resources and build, I was looking for some feedback on my current thoughts. My basic idea ...
1
vote
0answers
103 views

DNS lookup failure while configuration is okay

I have configured my DNS using OpenPanel and it didn't report any errors. It just adds a DNS config file which is included /etc/bind/named.conf. When I do named-checkconf /etc/bind/named.conf ...
4
votes
1answer
497 views

Losing connectivity with DNS

I have set up an 'internal' DNS at my work, basically we have an example.com domain name that is for internet, email etc and I have created on one of our linux network servers (debian) a DNS using ...
0
votes
1answer
432 views

is it possible to setup internal (local area network) domain names

I was wondering if it possible to setup local area network domain names, so for instance if I asked for local-server.org, the dns server would automatically send me to 192.168.1.111 (it would "take ...
1
vote
1answer
91 views

Network setup: resolve subdomain to internal server's VM through other servers

This is my problem: I have two subdomains: foo.company.com bar.company.com These will be used for projects hosted at our office. The setup at the office is just one server (10.10.10.9) with 2 ...
4
votes
1answer
2k views

ufw blocking apt and dns

I installed ufw on my Debian system like the following: # aptitude install ufw # ufw limit 22 # ufw allow 80 # ufw allow 443 # ufw enable # ufw status verbose Status: active Logging: on (low) ...
0
votes
1answer
644 views

configure secondary dns server debian

I have two VPS. I would like to use second one as a secondary dns server. both VPS are Debian 6. how I could do that? is it enough that I install bind9 and copy zone files from first VPS to second ...
1
vote
2answers
532 views

DNS propagation delay or bad configuration?

I have been waiting the DNS propagation for almost 24 hours. I'am no impatient, but I want to know if I configured my zone good or I have any error in it. I think that is good, because if I use my ...
2
votes
2answers
396 views

VPS with Debian Squeeze cannot forwward email - Name service error for name=gmail.com type=MX: Host not found, try again

I have postfix set-up on my Debian VPS, I can: send emails receive emails on my server But forwarding emails from my server to gmail does not work! I configured google's DNS through ...
0
votes
3answers
2k views

Cannot resolve domain from within LAN

I just set up a Debian server in our office. We have a business account with comcast without static IP, so I'm using DynDNS to point a domain at the machine. The problem is that I can't resolve the ...
1
vote
1answer
1k views

Trouble with dns and debian update

I tried to update my debian dreamplug server with the command running as root apt-get update and recieved these errors. Err http://security.debian.org lenny/updates Release.gpg ...
1
vote
1answer
4k views

Setting a static DNS nameserver (Debian Squeeze)

I have a gateway running on Debian Squeeze with 2 network interfaces, one static (internal, eth0) and one DHCP (external, eth1). I have an internal DNS server that I want the gateway to use. In my ...
-1
votes
1answer
678 views

Linux / Debian Setting up a mailserver (DNS records)

I have a server running Debian. I installed iRedMail, but now I want to access the mailserver externally (receive and send mails). I have to set up DNS records for that, but I can't seem to figure it ...
0
votes
4answers
3k views

configure BIND DNS on debian

I'm trying to configure configure BIND for use on my local Debian machine, which I will use as a development and testing environment. First of all, I'm using Debian 6.x [Squeeze] and BIND 9. BIND ...
0
votes
3answers
2k views

Domain names not resolving @ Debian VPS

I have a quite common problem except all the solutions I've found didn't work for me. I had my VPS, running Debian 5/Debian 6/CentOS 5.5/whatever-else-OS-I've-tried, rebuilt and reinstalled. Once ...
1
vote
3answers
206 views

The server at www.rencontres-selection.com is taking too long to respond

I get this error message while trying to access this site in firefox. The site is hosted on a dedibox with Debian, apache2, php5, and bind9. If run a dig command, or any kind of ping i get the good ...
0
votes
0answers
342 views

dns lookup doesn't work after setting up network bridge

DNS lookup worked fine until I setup network bridge. How to repair it? ifconfig: br0 Link encap:Ethernet HWaddr f0:ad:4e:00:90:a1 inet addr:192.168.1.84 Bcast:192.168.1.255 ...
-1
votes
3answers
212 views

What's the best solution for 99.999% Up-time to end users? [closed]

I'm looking for a solution to make sure my site stays accessible as much as possible on a long term basic, what i might need is just a simple DNS management solution (I don't know but i would like ...
0
votes
1answer
143 views

Lightweight setup for hosting 1000 domains (DNS & Redirect)

How much RAM is needed to host 1000 domains? Also, which is the most lightweight DNS daemon I can install on a Debian server? The DNS will be very basic (only an A record). I'm hoping to use as ...
0
votes
2answers
145 views

DNS Resolution = Do not know where DNS Records come from

I use debian: /etc/hostname => static (meaning my hostname is called static) and /etc/hosts => 127.0.0.1 localhost and now traceroute static ==> Traceroute resolves to ...
2
votes
3answers
1k views

How to configure bind9 to accept connections from other machines

I'm sure this has been asked in some form before but I'm completely new to DNS and inexperienced with Linux, so bear with me :) I have a VPS from OVH hosting that I've managed to configure to suit my ...
10
votes
1answer
263 views

Migrate live server

I'm in trouble, I have a running server with the usual services (httpd, mail, sql), and looks like I must be really fast to prevent total data loss (my RAID array failed, so I'm depending on a single ...
1
vote
2answers
475 views

Where do these mysterious DNS lookups come from and why are they slow?

I have recently obtained a new dedicated server which I'm now setting up. It's running on 64-bit Debian 6.0. I have cloned a fairly large git repository (177 MB including working files) onto this ...
2
votes
2answers
502 views

Lots of DNS queries

I have a lot of this entries in /var/log/syslog , 1 each 20 seconds. I see that are rejected but nevertheless I don't think is a good thing that somebody is pinging my server for DNS checks or ...
0
votes
3answers
118 views

domain works randomly

I have problem with configuring bind9 on debian (lenny) server. Generaly speaking everything is working ok but sometimes I get 404 on few domains (eg. 4stopnie.com but after few refreshes in browser ...
0
votes
2answers
351 views

Softfail / Failure Notice on SMTP

i'm searching for an answer for about 24 hours now and I still can't find any really useful help... The problem appears as the following: I'm running a debian server with Plesk 9.5.3 and qmail. ...