DNS stands for the Domain Name System, a hierarchical, distributed database where the keys are domain names.

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1answer
29 views

Cannot resolve by hostname only in other local namespace [closed]

We have three local namespaces: proddomain.local, testdomain.local, devdomain.local. All of our client computers in the organization are part of the proddomain.local domain. If I select "Disable ...
0
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0answers
55 views

Secondary DNS on OVH VPS Hosting

I was given DNS's to use for my new VPS hosting: vpsXXXXX.vps.ovh.ca sdns1.ovh.net I understand that the first link is meant for me as a primary DNS connection, the IP address of the DNS matches ...
2
votes
3answers
33 views

Windows Server 2012 IPAM Provisioning: Server name should be given in FQDN format

I have installed IPAM feature on my Windows Server 2012. When i run the following PowerShell Cmdlet to provision the IPAM GPOs: Invoke-IpamGpoProvisioning -Domain mydomainname -GpoPrefixName IPAM ...
0
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3answers
50 views

DNS Configuration with VPS

I own a VPS at Go Daddy and have 4-5 website hosted on it. All Website Domain names are purchased from Go Daddy. So, whenever I buy a new domain and host a website on VPS. All I have to do is to point ...
0
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1answer
14 views

sporadic routing to another website when opening a common url

I have a strange problem in our office: Sometimes when opening a url from one of our projects in any browser not the right website shows up but some other website. In most of the cases it redirects ...
4
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0answers
39 views

“The zone can be scavenged after” keeps incrementing

What are you trying to do? I'm trying to enable DNS scavenging on a DNS zone that has about a hundred stale DNS records. What have you tried in order to make it happen? I setup DNS Scavenging per ...
1
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2answers
30 views

Advance DNS - Redirecting Emails to new webhost

I am not to sure if this question belongs here but I will surely find out soon enough. I have two web hosts (Not sure why it has been setup this way but it has). I do not want to use the original web ...
0
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0answers
19 views

In practice, what is the propogation period for most of Internet users? (roughly) [duplicate]

When my main server goes offline, I'll plan to change nameserver configuration of the domain in Namecheap so that secondary server will take over. TTLs will be short enough in both nameservers. If ...
0
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0answers
38 views

Event ID 4013 DNS-Server-Service on Network with Only One Domain Controller/DNS/etc

I'm consulting for a small business that has a single server that handles DC, DNS, DHCP, etc. roles. It is giving the following error with some regularity: 4013 DNS-Server-Service The DNS server ...
0
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2answers
69 views

Reverse DNS (PTR) for Email

We are hosting our website (http://www.redappleapartments.com) with a hosting company in Sweden. And we are using godaddy as our email provider. So, our smtp servers are smtp.europe.secureserver.net ...
0
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2answers
19 views

Remap domain onto subdomain using bind

I have a domain internal.example.com and a second domain foo.bar.com. Each of these domains has their own bind9 instance. I would like to be able to access records in foo.bar.com using the subdomain ...
0
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1answer
47 views

Why is the DNS on my Windows Server 2012 not authoritative according to dig?

This is me trying to understand something rather than a real problem. I have a new Windows Server 2012 Essentials. That server provides, DNS, DHCP etc. Lets say my Windows domain is my-windows-domain ...
0
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3answers
72 views

DNS slow after losing DNS Server

We have set up a small Windows Server 2008 R2 network with a domain controller which is also acting as the DNS server for the network (we opted to install DNS when setting up the domain). This network ...
-1
votes
3answers
81 views

Roughly, what percentage of users will reach changed DNS?

If my main server go offline for some reason for +1hrs, I'm planning to make a DNS change so users will access secondary server. It is not a perfect solution to decrease downtime but it is simple and ...
0
votes
2answers
58 views

DNS manager in Windows Server 2012 Essentials - My one server appears twice

I have a newly installed Windows Server 2012 Essentials. It works pretty good although I'm working on some DNS improvements. Something that seems a little weird is in DNS Manager, my server appears ...
0
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0answers
26 views

Can't figure out how to get started with powerdns-recursor lua scripting

I have a server (Ubuntu 12.04) where I run powerdns-recursor. I'm trying to add some logic to certain requests and have got my target set on lua scripting for powerdns. I don't seem to be able to ...
0
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0answers
100 views

BIND as secondary DNS to Windows Server 2012. Windows complains that BIND is “not authoritative”

Short version How do I tell BIND to be authoritative for a zone that it is a secondary master for? I think I understand the meaning of authoritative but ... maybe not. I want it to be a secondary to ...
2
votes
1answer
69 views

IIS: DNS Server Spoofed Request Amplification DDoS

We are running an IIS server with DNS and a site owner asked us to run a specific security scan. Our site passed but we were warned with this and I'd like to clean it up and I'm a little unfamiliar ...
2
votes
3answers
127 views

Get IP network range after reverse DNS?

For analytics purposes, I'm looking at large sets of IP addresses in server log files. I'm trying to perform reverse-DNS lookups to understand where traffic is coming from - e.g. what percentage of ...
0
votes
2answers
65 views

How does this main domain have a CNAME record?

I was under the impression that only subdomains could have CNAME records: main domains need to define all their own records. However, apt-get.com seems to have only a CNAME record. How can this work? ...
0
votes
1answer
50 views

Website cannot be accessed with google DNS because of unsigned DNS

I get this error: Inconsistent security for stakeholdergame.com - DS found at parent, but no DNSKEY found at child. On http://dnscheck.pingdom.com/?domain=stakeholdergame.com People can't access ...
0
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1answer
64 views

How to force flush DNS server in Windows Server 2012

The address of our company www has been changed from IP.OLD to IP.NEW some 10 days ago. All public DNS servers incl. that of our ISP do reflect this change. Our DNS server running at Windows Server ...
2
votes
2answers
39 views

For the .com TLD, is there any known change tracking for WhoIs information?

A client exposed information regarding what will become a controversial website in the domain WhoIs after she purchased it from auction. Is there any whois cache that will detect, save, and share ...
0
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1answer
23 views

Fail over to DNS provider

**Dns Server that is stand alone backup to dns service with DNS provider.** We recently had our primary dns service provider go off line and our clients could not get to our web servers. It is ...
3
votes
1answer
67 views

windows 2008 always keep local dns in first

I have a windows 2008 system and it always keep ::1 in first of the dns setting. I can see the following in "ipconfig /all": DNS Servers . . . . . . . . . . . . : ::1 ...
0
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1answer
44 views

Setting up Reverse DNS - SERVFAIL error

I am using Ubuntu Server and installed BIND9 so I could set up a DNS server. I am tying to configure Reverse DNS. Here is my /etc/bind/named.conf.local file: zone "grupolar.com" in{ type master; ...
0
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1answer
37 views

Set up a Node.JS application on cloud server [closed]

I have full access to a cloud server (running Ubuntu 14.04) via SSH. I already have installed Node.JS from PPA: sudo apt-get install -y python-software-properties python g++ make sudo ...
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votes
1answer
35 views

Setting up WHM nameservers

I am new to server administration and I've just got a dedicated root server from Hetzner. First I set up in Hetzner's robot DNS entries Registered nameservers: ns1.raybear.com 88.198.32.57 ...
0
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1answer
16 views

cname and wordpress domain map

I have a domain like this (www.example.com.br) and I'm also the manager for the domain and the nameservers too (the nameservers are Bind). Now I have a blog from wordpress.com and I wanted to map ...
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votes
1answer
32 views

DNS, What is the proper nameserver? [closed]

Currently when I lookup my domain in whois, my nameserver is: Name Server: NS0.DNSMADEEASY.COM Name Server: NS1.DNSMADEEASY.COM Name Server: NS2.DNSMADEEASY.COM Name Server: NS3.DNSMADEEASY.COM Name ...
0
votes
2answers
42 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 - ...
0
votes
1answer
77 views

OpenVPN on port 53

I have an OpenVPN server setup on UDP port 53 on a public IP. All the connecting clients gets pushed external DNS servers such as 8.8.8.8 (Google) and OpenDNS. Sometimes the resolution stops working ...
0
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0answers
14 views

(de)activate “Fail on Load if Bad Zone Data” through Command Line

One can (de)activate "Fail on Load if Bad Zone Data" Option in Windows Server 2008 (R2) through → DNS-Server → Properties → Advanced → (un)check this option. Question: Is ...
1
vote
1answer
54 views

Iptables prerouting based on destination's DNS name?

I've got a question concerning iptable prerouting. I'm not that familiar with networking/routing/iptables so I hope this is not a stupid question, at all. So I ask for your understanding and ...
0
votes
1answer
78 views

What does changing a NS record actually do?

As I am by no means a server expert, so I wanted to learn the basics by starting my own small VPS on Digital Ocean and host some simple websites to try things out. In the tutorials of DO it says that ...
0
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0answers
19 views

Cisco DNS Inspection disallows Reverse Lookup

I'm trying to use DNS Doctoring on my ASA 5505, but apparenly DNS Doctoring required DNS Inspection, and DNS Inspection forbids reverse lookup requests?! How do work around this? I did find this: ...
0
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1answer
23 views

unable to connect to nginx hosted website from most pcs, yet my local pc connects fine?

i run a website (remotely) using nginx and php, which has been ok for a long while. i recently changed the domain name to a new name and now most web browsers/pcs are unable to connect to the website. ...
1
vote
2answers
67 views

How do I install and use the cli53 tools on Windows?

I'm trying to find the simplest way to import a large number of BIND zone files in to Route 53. I've had a quick look at the AWS CLI and AWS Tools for Windows PowerShell but they don't seem to include ...
1
vote
1answer
70 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 ...
0
votes
1answer
41 views

CNAME records query

I have a control panel with Enta which lets me mess with my DNS settings. So i have added a CNAME record to point to an IP address. Assume my website is called: www.example.com I have added a ...
0
votes
1answer
109 views

Reverse lookup SERVFAIL

I just set up a DNS server and a web server using Virtualbox. The IP address of the DNS server is 192.168.56.101 and the web server 192.168.56.102. Here are my configuration files for the DNS server: ...
0
votes
1answer
128 views

Configuring Azure Internal Load Balancer

I am attempting to configure a VNET using the new Internal Load Balancing feature in Azure. I plan to have 2 frontend servers communicating with 2 backend servers over an ILB (Internal Load ...
0
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0answers
19 views

use local ip and maintain ssl warning free [duplicate]

I have a public facing website for a doctor's office for accessing the medical record. I'm using SSL. The server is at the doctor's office. When I access the website on the same network as the server ...
1
vote
2answers
86 views

How to have your DNS servers forward queries for internet names

I have 2 Domain Controllers / DNS servers on Windows 2012, their IPs are 10.0.1.10 and 10.0.1.11 Another server acts as the DHCP server for clients, and sets their primary and secondary DNS to the IP ...
-2
votes
1answer
80 views

My server cant resolve domains? [closed]

I am on a VPS that is pretty much unmanaged so it means im on my own. I did my best to configure it so i can host my own site for other people to see it online but seems like i have network problems ...
-2
votes
2answers
57 views

How to setup dns to redirect app.example.com to another ip? [closed]

I have a site www.example.com running on a hosting company. Now I want to create a separate web app on my VPS and let it accessible via app.example.com How can I set the DNS to redirect ...
0
votes
2answers
48 views

Can I direct users to a virtual host on a server by the server's main IP address when their DNS fails to resolve the hostname?

Problem: Some individuals' ISPs occasionally can't resolve one of my virtual hosts on a LAMP installation. Ubuntu 10.04 LTS, Apache 2. I'm looking for hack that can do it by IP. Background: On this ...
0
votes
2answers
79 views

Point example.com to webserver in DNS record

I have a Mac Mini Server (named Server) with the following DNS setup Primary Zone: example.com mysql-host.example.com machine (10.0.0.101) server.example.com machine (10.0.0.100) ...
0
votes
1answer
50 views

Dns filezone setup with mx and spf

I am trying to create a mail server. I bought the domain mastermails.info on godaddy.com. I am struggling with the setup of DNS. Whenever I change something in the MX record to make my server ...
1
vote
2answers
94 views

How can I get a Windows client not in the domain to get dns from the DC?

I have Server 2012 as Domain controller and DNS server. Now if I have a machine joined to the domain, they get all servers names defined in dns zone. I have a Windows 7 client which is not joined to ...