The Domain Name System, usually referred to by the acronym DNS, is a hierarchical, distributed database where the keys are domain names.

learn more… | top users | synonyms (1)

0
votes
0answers
17 views

Issue with nameservers and azure

I have an existing server and domain name hosted with netlogistics. I want to use this domain name for my new server on Microsoft Azure. As far as the new server is concerned so far I have... ...
1
vote
3answers
52 views

Moving DNS and AD DS to their own servers

I have one WINDOWS SERVER 2012 running my DNS and AD DS on the same server. I am trying to move DNS to it's own server and ADDS to it's own server as well. What I have done so far is setup ADDS on ...
0
votes
1answer
33 views

Linux DNS caching for performance and safety

I am trying to figure out how to do this properly. My servers use search-domain to find the FQDN, so my code can connect using redis as the host, etc. I ran into a problem where the DNS provider for ...
1
vote
0answers
24 views

Windows DHCP Clients Randomly Revert To Old DNS Servers

In this one network I have, I am moving from a linux infrastructure to a Windows infrastructure. This has been a staged process. Originally there was no Windows infrastructure. DNS, NIS, and DHCP ...
-1
votes
0answers
15 views

Compound SPF record syntax

We send transactional email from our own server and use Google Apps for email. We have the transactional server SPF set up: v=spf1 ip4:37.xxx.xx.xxx ip6:2xxx:4xd0:a:1f39::1 a mx ~all but need to ...
1
vote
2answers
22 views

How to retrieve previous IP/DNS information from Domain Controller logs?

I unfortunately have DNS scavenging on; information I need to retrieve could have been in Event Viewer DNS logs, but that's not there anymore, or maybe I am not looking for it properly. Story: I ...
-2
votes
1answer
43 views

Host or domain name not found. Name service error for name= [on hold]

We have been having reports from random people who are getting bouncebacks when trying to send email to us. This is one of the most recent ones (i have tweaked the domains): Reporting-MTA: dns; ...
0
votes
1answer
33 views

Issues with delegating subdomain to AD server

I have a working authorative BIND 9.8.4-P2 server on freebsd on domain domain.com with IP 192.168.0.3 and name ns.domain.com that I did not set up on my own. It is a hidden server from which a subset ...
-2
votes
1answer
29 views

Point DNS zone to local web server [on hold]

I have a DNS virtual server and a virtual web server, among others (unimportant). The FQDNs are registered as dns.example.com and web.example.com, respectively. The virtual DNS manages the ...
0
votes
0answers
51 views

What is wrong with my DNS set up?

Ok so I'm running a server on Linode (Ubuntu 14.04, Apache2) I am redirecting the domain from 1and1.com to Linode(Linked to Linode's nameservers) via HTTP redirection to the IP of my server. ...
0
votes
0answers
3 views

I need to change the URL of Tomcat Server because I want access it from other devices

Tomcat as URL uses localhost:8080. I want that URL be something like: 'www.movieuniverse..' in order to have a simple access to it without insert an address. I would want this access be possible to ...
-1
votes
1answer
24 views

CentOS 6.6 and CWP - DNS

I installed the CentOS 6.6 and CWP on my second laptop, I think it is erroneous DNS information.. NS1: ns1.centos-webpanel.com | IP:185.4.149.83 [Change] NS2: ns2.centos-webpanel.com | ...
0
votes
0answers
30 views

DNS Based Load balancing on squid - odd issues

I'm attempting to do round-robin DNS based load balancing for two squid boxes running as simple HTTP(S) proxies. For testing I'm using AWS Route 53. To simulate round-robin I created two records ...
1
vote
1answer
32 views

External domain not resolving internally (split DNS)

example.com is a registered domain name. Externally, there are nameservers associated with example.com which include an A record for subdomain.example.com which points to an externally hosted web ...
0
votes
0answers
3 views

How to passthrough Wifi DNS and interenet access to DHCP client [migrated]

I have a laptop that connects to wifi for internet access. This computer is running Linux (Fedora), and it is acting as a DHCP server for another (ubuntu linaro) computer that does not have a wifi ...
-2
votes
0answers
33 views

New server/domain - Setting it up with CloudFlare [closed]

I hope this is the right place to ask such a question. I've bought a domain at name.com. My nameserver settings at name.com looks like this: norm.ns.cloudflare.com dana.ns.cloudflare.com I have ...
0
votes
0answers
33 views

Webmin: restricting DNS zones visible to a user per view not working?

I'm setting up my own webmin installation to manage a BIND9 DNS authoritative server hosting a few zones. The zones are separated into 2 views: internal and public. There are different groups of ...
-1
votes
0answers
10 views

Apache serving default page on local subdomains (Chrome only) [closed]

I am running into a strange issue with XAMPP and Chrome. I have made several subdomains on localhost over the years (foo.localhost, bar.localhost, etc.) These have been working fine on all browsers ...
-1
votes
2answers
69 views

Suddenly, domain name can not be resolved - What happened? [closed]

My domain is buycott.com When I run ping buycott.com in the command line, it's timing out. It's been working fine for over a year, and suddenly I'm seeing these timeouts of nowhere? When I use most ...
0
votes
0answers
37 views

L2TP + IPSec pfSense: can ping, no access

I am in process of setting up a L2TP + IPSec VPN (site to client) server based on pfSense. While being connected to the VPN, I am able to ping any of the resources (e.g google.com, as well as anybody ...
-1
votes
1answer
27 views

Binding local network machines to global doman names via dnsmasq. Possible? [closed]

In my current setup, I've got a Thomson TWG870UG modem-router(internal DHCP server disabled) with a couple of home network machines connected to it via both ethernet and wlan. One of these machines ...
0
votes
0answers
17 views

options timeout doesn't work when Primary DNS server in resolv.conf fails

I currently have 2 load balanced AWS Linux box(s) which communicate to several windows web servers.These Linux servers act as a forwarder, re-direct rules etc onto these windows boxes and acts as a ...
0
votes
1answer
37 views

Reverse DNS nslookup fail

I'm having the following problem with my DNS configurations. I need to set up my reverse DNS and I don't know how. 1 - # nslookup mx.websolutions.com.ar Server: 127.0.0.1 Address: ...
0
votes
1answer
16 views

BIND DNS Forwarder Performance

Does anyone know how to measure the performance of forwarders that are configured on a BIND DNS (may be in terms of RTT, SRTT)? This will help to know which forwarders are working optimally, I tend ...
0
votes
1answer
6 views

Logging wildcard query in bind

I had setup a wildcard in my zone, and now I regret. I want to found out which name is actually in use. Any ways to log all queries that matches the wildcard in bind?
-1
votes
3answers
55 views

How does HA / failover work?

Let's say we have ten servers, each one has a copy of stateless application. user enters address in a browser / client program. dns server returns a list of ip (however many people say that dns ...
-5
votes
1answer
12 views

DB Server and Fully Qualified Domain Name

I have a hosted virtual server (Windows Server 2012 R2) that exists solely to host a few SQL databases. I need to purchase a SSL certificate to encrypt data but purchasing a certificate requires that ...
0
votes
0answers
14 views

tcpdump returns no multicast traffic when a DNS entry is being used in resolv.conf

I have noticed on a 6.5 Centos host that when I am using tcpdump to determine if a multicast source is being received/ sent that it does appear to get any results when I have a DNS registered in the ...
0
votes
0answers
26 views

Promoting Windows Server 2012 to DC, cannot create DNS delegation because SBS 2003 DNS server is not found

I'm promoting our new Windows Server 2012 Essentials box (ASH) to Domain Controller so that I can then deprecate and demote our failing Windows SBS 2003 box (PINE), which is the only current DC. ...
0
votes
1answer
25 views

Conditional forwarder for reverse zone not working

We have DNS servers hosted on our Windows domain controllers, 2012R2. Currently we have a conditional forwarder for ad.trusted-domain.com, which is working fine. We'd like to also forward PTR queries ...
0
votes
1answer
26 views

Time Between successive DNS queries.

Using a PC running Ubuntu 14.04. I'm testing web browsing using a very low speed and low data rate link. My system is congested with DNS queries (and other types of packets like TCP re-transmission). ...
-2
votes
1answer
27 views

Multiple Physical (and Virtual) servers (mail, web, etc.) on single link. Can I use DDNS to use top level domains to each box? [closed]

This all started last year when I switched to a LISP based solution for my old "C" address block without the expense of T1 lines. I have a cable link and a dsl link into my Cisco 2800 that then ...
0
votes
1answer
43 views

IPv6 users see different site than IPv4 users [closed]

I had a site hosted on 1and1 that I moved to an Azure VM. I found that some people who have IPv6 enabled in their routers (not sure if that's the only situation but it's the one that I came across) ...
0
votes
1answer
27 views

Cannot access network shares by hostname over SSL VPN

I am connecting to a server at another location, I cannot access network shares by hostname (\server\share). I decided to ping the server to see if I could reach it, no luck. Pinged by IP and got a ...
0
votes
2answers
29 views

Windows DNS Migrations - new IP

So I want to add two new servers to the Domain (Currently, I only have two) so that would make it 4 (Lets call the new ones 03 and 04). However, I am eventually getting rid of the original (lets call ...
0
votes
1answer
45 views

Adding a new domain to my VPS not working (CentOS/Apache)

What I'm trying to do is to add a new domain to my VPS. So I added a new domain to my httpd.conf and updated the corresponding nameservers on my registrar. I used this code in httpd.conf file: ...
-1
votes
2answers
18 views

AWS create an alias for my EC2 instance IP

I'm not expert in anything related with networks. I've reasearched through Internet but I'm not able to get with the solution for what I need. It's simple. I've bought a domain in GoDaddy.com and ...
4
votes
3answers
303 views

email (Exchange) issues due to lack of RDNS

I'm one of the network operations leads for an ISP and one of our business customers is complaining his emails won't work due to our lack of a DNS server. We opted not to stand up DNS since many other ...
0
votes
1answer
33 views

Linux: nslookup and dig resolve $HOSTNAME, but ping doesn't

In our private network we have a Consul service discovery server (10.241.232.14) that provides a DNS interface (port 8600). We would like to set our common DNS servers to forward some queries to the ...
3
votes
1answer
58 views

How does nginx distribute traffic among IPs associated with an upstream DNS name?

With this configuration: upstream some_upstream { server some-elb.us-east-1.elb.amazonaws.com:80; } If some-elb.us-east-1.elb.amazonaws.com maps to 2 IP addresses, how will nginx distribute ...
0
votes
1answer
31 views

Redirected DNS to another DNS server

I am using Windows Server 2012, at my workplace I have done setup of a DNS server in a domain controller. Because I'm using virtual desktops. The question is, when I configure the rest of the ...
-1
votes
0answers
11 views

Internal shortcut/redirect to external site [closed]

Is it possible to set up an internal shortcut/redirect so that "intranet/" redirects the user to "https://intranet.something.org.uk"? Context: I'm replacing an old internally-hosted intranet with a ...
0
votes
0answers
16 views

How to redirect DNS for local domain to external IP?

In our office we have a windows based domain network, domain.com. Additionally, we have an external website hosted on Amazon Web Services hosting a website at domain.com/www.domain.com for both the ...
0
votes
1answer
19 views

How to map subdomain to a domain with CNAME?

I would like to point CNAME records for www.example.com to sub.example2.com. The hosting for example2.com is a shared hosting (cPanel without Addon domain feature). So, what I did was to add a ...
0
votes
0answers
14 views

rbldnsd does not dump statistics with -s option

I am trying to get rbldnsd to dump statistics using the -s option, but it does not create any statistics file. Same goes with log as well. I am running it in a chrooted environment. Searched the ...
1
vote
1answer
16 views

nslookup how to get list of domains in a DNS server

I want to list all domains In a DNS Server. More details: spouse that foo.com is a web hosting company and ns1.foo.com is their DNS server. the web sites foo1.com to foo100.com are hosted by this ...
1
vote
1answer
14 views

Safe to point www to root/naked domain on Azure?

My client would like to use the root/naked domain name of his site, rather than the www subdomain. I am not overly savvy on the fine points on DNS. Is it safe to create a CNAME record that points the ...
0
votes
0answers
26 views

Google Cloud DNS top level domain [duplicate]

I would like to host a static site on google cloud storage and I'm using Cloud DNS. lets say I have a domain: example.com, I can create a bucket with a subdomain: www.example.com and it works well but ...
2
votes
1answer
34 views

Best practice DNS in multi-forest environment

I have a multiforest environment, both forests exist in the same network. I want DNS between them to operate as smoothly as possible. Forward lookups are easy and can be handled with conditional ...
2
votes
1answer
63 views

Two DNS zones: one for internal, the other for DMZ servers, is it possible?

I currently work in a company that has two DNS servers (ns1 and ns2) open to the Internet on the DMZ, and it's hosting two zones: company.org and company.net. In both zones there are servers in the ...