-1
votes
1answer
44 views

DNS server with scripting [on hold]

I would like to know if there's any way of having a DNS server on Linux that runs a script and reply a different IP list depending on the script data returned. I've searched Google for 'DNS server ...
1
vote
1answer
32 views

Postfix from address changed, mail being bounced

I have an Apache server which has been happily sending emails for the past few years - earlier this week the from address on all emails sent by postifx has changed and, as a result, 99% of messages ...
-3
votes
1answer
39 views

Sites not accessible after running permission fix, possible DNS error?

I have a problem with my current VPS server running CentOS 6 and is managed with WHM and cPanel. All my websites were being created from WHM and are located in the /home directory (ownership: ...
0
votes
1answer
41 views

Setup my own DNS server to support wildcard domains?

My registrar doesn't support wildcard domains through their DNS system, but I can define my own DNS Services, I can't change my registrar (I know, the "why" is beyond the scope of my question :)), ...
0
votes
1answer
263 views

BIND 9.8.2 not giving A record for “dig domain.xxx ANY”

I got problem with my BIND 9.8.2 setup. After configuring master zone which works fine I've noticed that I cannot get a list of all A records using the dig utility with the ANY option. Here are some ...
0
votes
2answers
50 views

Resolving a subnet to a specific domain

I am trying to figure out how to resolve a subnet for a specific domain on my CentOS machine. for example Google owns a range of IP addresses and one range in particular is 64.233.160.0 - ...
-1
votes
1answer
82 views

DNS zone and Nameserver misconfiguration

I can't open my site via domain name. I edited nameservers on my registrar account like this, ns1.mydomain.info x.x.x.197 and ns2.mydomain.info x.x.x.198. I set also on registrar custom nameservers as ...
0
votes
1answer
592 views

DNS Zone Record: How to set up MX Record correctly? [closed]

I've been search for this for quite a while, and tried many different examples for weeks (because I usually have to wait a couple hours for the DNS change). Nothing made my mail() in PHP as well as my ...
0
votes
0answers
255 views

Setting Up DNS Correctly on a VPS w/ Subdomains

So, I'm working on migrating my website (Forums, home page, custom html scripts ect) from a Shared Host over to a VPS. I'm completely new with a VPS and spent a few days reading up and researching ...
2
votes
2answers
189 views

Forward all TLD requests to another server

So, an emergency has been landed in my lap, and unfortunately I'm ill-equipped to deal with it. An IT tech for a client's company changed the A record for a domain, then went on holiday. He is the ...
1
vote
2answers
50 views

Postfix sending and receiving in strange way.

I have an email server, running on CentOS 6.5, 32bit system, with Postfix and Dovecot running along all their dependencies. Let's assume my domain is www.anw.com I have created A record in this ...
-1
votes
2answers
39 views

Handling emails in a separet email servers [closed]

This is a problem about maintaining an all-email VPS server. First, I have two VPS hosts right now, both running CentOS 6.5, 32bit system. one for web hosting and other for email only. The reason ...
0
votes
1answer
156 views

Installed RBLDNSD for making a custom RBL but something is missing, could you help us?

We have successfully installed RBLDNSD with the idea of having a custom RBL server. Now we have started to make some testing adding some IPs to the our blacklist, and also have configured Exim (Cpanel ...
1
vote
1answer
84 views

BIND DNS zone coalfired.net/IN: coalfired.net.coalfired.net/NS 'ns2.thirteen.pm.coalfired.net' has no address records (A or AAAA)

Since I updated my BIND DNS server I seem to be having problems with it. For some reason, when I try to start the server I get errors such as this appear: zone coalfired.net/IN: ...
1
vote
1answer
68 views

How to test that DNS from NIS is working?

In my /etc/nsswitch.conf have I set hosts: files nis dns With ypwhich ypcat hosts ypcat passwd can I verify that passwd and group are retrieved over NIS. Question How do I verify that DNS is ...
0
votes
2answers
58 views

Using Gmail apps. New VPS. All mail working except incoming mail to @domain.com emails sent from server

So I just noticed this issue, and it's rather urgent we find a solution, it's literally been ongoing unnoticed several days, as any communication being sent to us from our email forms and offer forms ...
0
votes
1answer
80 views

Setting up server for Google Apps? [closed]

So I am currently running CentOS 6 and trying to figure out how to get Google Apps (gmail) to work. I am completely new to mail server software but have a general idea of how it works. What software ...
0
votes
0answers
390 views

CentOS DHCP server not updating DNS nameserver on Ubuntu Client

I have a working DHCP server on CentOS, with /etc/dhcp/dhcpd.conf set up as follows: subnet 192.168.1.0 netmask 255.255.255.0 { option routers 192.168.1.1; option subnet-mask 255.255.255.0; ...
2
votes
1answer
211 views

the dnssec-keygen works very slow on Centos if we run it with inputting domain name only

From this ISC BIND article example: https://kb.isc.org/article/AA-00626/0/Inline-Signing-in-ISC-BIND-9.9.0-Examples.html $ dnssec-keygen example.com Generating key ...
2
votes
1answer
612 views

Impossible to start named on Centos

I installed bind on Centos 6.5 with yum install bind-chroot bind-utils. It's not the first time I do this and generally this works fine. But now I try this on some server and it doesn't work at all. ...
0
votes
2answers
240 views

Setting Bind9 DNS Server on CentOS 5.9

I have an OpenVZ VPS server with CentOS 5.9 32 bit installed. I also buy domain sehattotal.com from local provider (masterwebnet.com). currently sehattotal.com is hosting in hostgator.com. My ...
-1
votes
2answers
62 views

Moving site to another server - inconsistent results between browsers on same computer

I've just moved a site from one server to another. Both servers are under the same Media Temple account - so the nameservers haven't changed, just the IP address. To help verify the move has taken ...
1
vote
1answer
103 views

DNS record change not taking effect

I have a Centos5 server on internet, say srv1.example.com with IP address say 1.1.1.1. I have changed the A records example.com, www.example.com and ny.example.com to say 2.2.2.2. I have not ...
0
votes
3answers
104 views

Hostname resolves, domain does not

I just finished setting up WHM on a new server running CentOS 6. My hostname is set as n.env.ms. If I go to the hostname I get the standard cPanel "Default Homepage". If I try to go to env.ms I get ...
1
vote
1answer
157 views

What is boot.servequake.com? Queries from my Server to DNS for it, caused DoS

I have encountered an issue that has been puzzling me for several time. Hopefully someone will help me understand what is happening or point in right direction. One of my servers (CentOS 6.x) started ...
0
votes
0answers
430 views

pinging an unknown hosts from centos resolves

I am seeing very strange behavior with servers running CentOS 6.4 x64. If I run a ping on a host which clearly doesn't exist: ➜ ~ ping sdafsadfdsadfsasdfasdoi.com PING ...
0
votes
0answers
58 views

FTP could not connect after applying local DNS(private DNS)

I made a software router in CentOS linux and in that made a DNS server. I am using centOS 6..4 for making DNS i applied following steps: changed the host name = abc.zoom.com and domain name = ...
0
votes
6answers
250 views

Load balancing with rsync

i have 2 server with public ip: SERVER A - 10.10.10.11 SERVER B - 10.10.10.12 both of them are centos 6 in OS, installed nginx with php-fpm, 2 exact same website stored at: /var/www/html. Domain ...
0
votes
2answers
177 views

dnssec zonesigner ignoring out-of-zone data

I am trying to configure DNSSec with BIND9 on CentOS 6.4 running DirectAdmin control panel. I am using this tutorial to make it work: https://www.dnssec-tools.org/wiki/index.php/Zonesigner But I ...
0
votes
2answers
207 views

My Centos 6.4 doesn't accept dns requests

I've a problem with my dns server on my new installed centos 6.4 system. I went though tutorials, try configurations of iptables but can't find a solution. I've installed bind, created a config file ...
0
votes
0answers
33 views

making a software router for my private network [duplicate]

give me suggestion on this problem. I have 2 nic cards public ip (eth1) and private ip (eth2). now i have a linux system having centos 6.4. I made this system software router so can access internet on ...
2
votes
1answer
2k views

Why is my DNS server not forwarding?

I have setup bind like this: // // named.conf // // Provided by Red Hat bind package to configure the ISC BIND named(8) DNS // server as a caching only nameserver (as a localhost DNS resolver only). ...
-1
votes
1answer
254 views

How to configure dns in centos to resolve internal lan ip [closed]

i have a router with nat to web server inside LAN. Also i have internal DNS server on centos. When i try to access web server from internet it works fine, but when i try to access from the LAN, DNS ...
2
votes
1answer
197 views

What would cause the hostname FQDN to repeat the suffix twice?

I have three new CentOS 6 servers that connect to a DHCP server to get an IP and to have DNS/rDNS setup to bind their FQDN and IP. Two of them are behaving as expected. One of them is appending the ...
0
votes
1answer
154 views

Setting up primary and secondary dns on one server [duplicate]

I'm configuring a vps to be used as webserver, and everything is going well, but now I am coming to the point of DNS. The VPS has two working IP Addresses assigned to it. Now I need to get a primary ...
-2
votes
3answers
7k views

CentOS DNS not working - Cannot resolve any hostnames [closed]

I am running Linux VPS on CentOS 6.4, and I log into it remotely via putty I made a change to my /etc/sysconfig/selinux file: /etc/sysconfig/selinux # SELINUX= can take one of these three values: # ...
4
votes
2answers
1k views

Why are DNS lookups not respecting /etc/nsswitch.conf & /etc/host.conf?

I have an issue where hostnames are being looked up from DNS even though they are present in /etc/hosts. I have the following configured: /etc/host.conf: order hosts,bind /etc/nsswitch.conf: ...
0
votes
1answer
166 views

Named shutting down

My DNS goes down periodically. named[1482]: shutting down named[1482]: stopping command channel on 127.0.0.1#953 named[1482]: stopping command channel on ::1#953 named[1482]: no longer listening on ...
0
votes
2answers
471 views

Why don't my server query the 2nd entry in my resolv.conf?

I have a CentOS 6.4 box. As with all the other boxes in this rack, it has two NICs: one internal (192.168.1.x) and one external (visible to the world). We run our own cacheing resolver (using ...
2
votes
1answer
79 views

DNS server with two virtual NICs

I configured a DNS server in my CentOS virtual machine which was connect to vmnet2(host only)IP 192.168.0.0/24. and It work perfectly. Then I set another adapter and set it to NAT for take internet ...
0
votes
3answers
73 views

Testing DNS configuration of domain by using hosts file?

I'm currently migrating a website to another server, and want to test the DNS configuration (more specifically, email mx records) before moving the domain over. I've configured the DNS on the new ...
0
votes
0answers
267 views

Bind querys public nameserver gets private IP as answer

Currently I have a dnsmasq server (192.168.0.53) answering with local IP addresses for queries to a public domain. Facing internet there is an old (really old) bind server, master for example.com. So ...
0
votes
0answers
318 views

can't install jenkins on centOS

I am trying to install jenkins on centOS but am having difficulties. When I start jenkins with: $sudo service jenkins start It returns ok and all my domains are up and running. But when I try to ...
1
vote
1answer
70 views

Why do I sometimes (but not always) see “internet address” data for an MX record in output for nslookup queries?

CentOS 5.x I've noticed that sometimes I'll see "internet address" for an MX record in the output of nslookup. This doesn't happen all the time though. For example, let's say that foo.com uses ...
0
votes
1answer
55 views

Vanity buddyns 401 error

I'm trying to use the Buddyns vanity solution to my ns2 and ns3 nameservers everything looks ok here: intodns.com/e-alojamento.com But when i try to use my nameservers in .pt domains registration ...
0
votes
1answer
89 views

Is it normal for manual DNS queries on a CentOS server to not return authoritative section details?

CentOS 5.7 On occasion when I'm performing manual DNS queries from one of my CentOS servers, I'll get results back that don't include an authoritative section. For example: [root@foobox ~]# ...
0
votes
0answers
761 views

No nscd daemon on my CentOS box, where/how does DNS caching happen then?

I do not seem to have a nscd service on my Cent 6.3 server. I am not running BIND on it, but I am curious about the DNS client caching. How does this happen on a standard minimal install of Cent 6.3 ...
0
votes
1answer
67 views

Questions about DNS, BIND and setup

I have a few questions which I can't find the answer. Is it possible to create two nameservers (ns1,ns2) with one IP ? To move my server DNS from godaddy to ns1/ns2.my_domain.com, I can use Bind ? ...
0
votes
1answer
248 views

Sendmail Modifies Recipient Address from DNS Lookup

CentOS 5.8 box (Unitrends Appliance) with stock Sendmail sendmail-8.13.8-8.1.el5_7. If we email to normal addresses from the box (we have two boxes both doing the same thing) everything is fine. If ...
2
votes
1answer
2k views

What for is /etc/resolv.conf needed in newest Centos and Fedora?

In newest Fedora and Centos configuration of dns is in /etc/sysconfig/network-scripts/ifcg-eth0 (or other interface config). So what for is still /etc/resolv.conf needed. Since its no longer used. (I ...