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

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1answer
27 views

DNSSEC key rollover guidelines

I've started playing with DNSSEC on my personal domain and I'm using OpenDNSSEC to perform signing and key maintenance; I only have a static zone, so OpenDNSSEC is an easy fit. Just to toy with ...
0
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0answers
14 views

RNDC is not reloading my ACL list in Bind, how can I make it reload without losing Cache?

I have two ACL's, one expired, and one authorized. When I make a change to the ACL and try: rndc reload and rndc reconfig I do not see that the ACL was refreshed. Any ideas?
1
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1answer
40 views

What is a quicker DNS Setup?

We have two DNS servers that are restarted frequently to update ACL lists. The two servers are independent, and we have the second DNS server set to update its ACL lists 5 seconds after the first one ...
1
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0answers
36 views

How can I solve DNS delay on iOS over VPN

When connecting iOS devices to our Sonicwall VPN (L2TP) it takes about 30 seconds before any internal servers can be contacted. It appears to be purely a DNS problem because they can be contacted via ...
-1
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1answer
49 views

Multiple domains within a school network environment

The work placement I am currently at has two domains a old one and a new one. The new one is pointed to our frog server which hosts our website on our internal network and we have a osx server which ...
0
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1answer
61 views

Redirect https dns entry to adfs relying party

We are on ADFS 3.0. We have a relying party trust setup for SSO to a SaaS solution. We would like to be able to create a DNS entry and have it work so that anytime someone requests this DNS address, ...
0
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1answer
56 views

DNS issue mail server

I tried to find an answer to this one around with no luck so far. I am not a sysadmin, but I work with mailings and one of our server presents some issues. I do not have personal access to the server, ...
11
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2answers
282 views

How to disable AAAA lookups?

... to compensate for broken DNS servers that are outside our control. Our problem: We deploy embedded devices that collect sensor data at various, mostly IPv4-only sites. Some sites have poorly ...
1
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0answers
71 views

How can I force dnscmd.exe to provide its output in English?

How can I force dnscmd.exe to provide its output in English? I have automation that parses the output of various dnscmd commands, such as dnscmd /info > dnsInfo.txt. I'm using PowerShell to ...
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0answers
61 views

Server 2012 DNS keeps adding a forwarder on it's own

I'm having a weird problem that must be something simple I'm overlooking. Deployed a new Server 2012 PDC to replace a SBS2011 DC. I had it inherit the DNS before decommissioning the old one. Single ...
1
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0answers
50 views

I can load an IIS hosted website via the Internet but not locally [duplicate]

I have just changed the bindings to use SSL for a website hosted in IIS on an AD Domain Controller. The new binding is IP: all unassigned - Hostname: site.domain.com - Port: 443 I can access this ...
0
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0answers
28 views

NameServers not updating

I have a domain on Godaddy, in the morning I have updated the nameservers to point to Linode Servers, after about one hour, everything was ok. Now, when after sometime, when i'm trying a dig on the ...
3
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1answer
36 views

Unable to change boot method in Microsoft DNS

I am experimenting with Microsoft DNS, and have knowledge of Bind. I am trying to boot the server from boot file. Problem is that when I change the boot method, as mentioned ...
-1
votes
1answer
88 views

What could be causing slow DNS lookups for domains that I host the DNS for? [closed]

I currently host a TinyDNS server that serves DNS requests for all domains with nameservers that point to the server. The data configuration file is: . +*:1.2.3.4 with 1.2.3.4 being the IP of the ...
0
votes
1answer
56 views

Windows 2008 - DNS Configuration setup

How to setup the correct IP addresses? I have one static external IP address. 88.10.0.76 And I have one local Server computer with IP: 192.168.0.100 The IIS and Mail server is running on computer ...
0
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2answers
55 views

AWS Route53 Replicate to thrid party name servers

Is it possible to configure Route53 to replicate to non Amazon name servers?
0
votes
1answer
48 views

Do I need Bind for my dedicated server?

On the onset, would like to declare myself as a newbie, I have used managed servers before, this time around wanted to go for nginx, and my host did not have a control panel for nginx only, and ...
0
votes
1answer
50 views

I want to proxy only HTTP but I'm not sure what to do with HTTPS traffic

I have a DNS server that resolves all traffic to my Squid server that will proxy all HTTP traffic transparently (it must be transparent or it will drop a invalid url error) which works great. The ...
1
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0answers
53 views

Setting up new KMS Host - what is best practice for _VLMCS DNS entry?

I have been tasked with setting up our PDC as the new KMS Host in our environment. I have a question in relation to the DNS entry for KMS Host/s. There is an existing _VLMCS entry in _tcp for the ...
-2
votes
1answer
91 views

Server responds to non-www but not to www. DNS problems?

The www. version of the site is not being routed. non-www version is served correctly. My registrar is with FastHosts, and I am wanting to move from 1and1 to DigitalOcean for web server with ...
-2
votes
1answer
54 views

Where is the Authoritative Name Server Information storing? [closed]

Short Version: Where does host -t ns github.com getting the answers? Long Version: In slide 7 of this google slides, for the last two stops: If "x.root-servers.net" do not know the domain, It will ...
1
vote
1answer
261 views

OpenVPN connects and access to ip works but not url in browser

I have been struggling for 2 days to setup Openvpn access to one of my servers but something doesn't work. First about my setup: My server is Debian 6 installed on vps on kvm environment. I have ...
2
votes
1answer
74 views

Complex DNS resolution on non-connected networks (Ethernet & InfiniBand)

We're having problems with DNS resolution working properly when each server is on two, non-connected networks (an Ethernet and an InfiniBand). An example network can be seen by the basic Visio ...
1
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2answers
63 views

How to determine which server is the cause?

I have just registered a new domain with Malaysia NIC. The registration system is not fully automatic and I am afraid that someone could have botched something in the setting up. At the same time, ...
0
votes
1answer
99 views

Dynamic DNS for subdomain using AWS & Route53

I'm writing a dynamic DNS service which should return results based on a db query. My DNS server is written in node.js and it queries the database for the actual IP. My domain is hosted on Route53, ...
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votes
1answer
50 views

GoDaddy DNS point my Sub-domain to another Server? [closed]

I want my Root Domain to be still sitting on GoDaddy default IP. (To show the default GoDaddy page that we get whenever we buy a new domain). Then my sub-domains to be pointing to my own WebServer. ...
0
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2answers
99 views

Wrong IP address registering in DNS

I've just taken over a small business network with 2 Windows servers. SRV2 (Server 2008 R2) is primarily a data backup for SRV1 (Server 2003); they're both DNS servers as well. Our primary LAN ...
0
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1answer
45 views

Setting up a subdomain with domain hosted externally

I'll start with a brief description of our setup: Our domain, let's call it domain.com is hosted by an external company (GoDaddy) that points to our external IP. Internally we have a Domain Controller ...
0
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1answer
146 views

Host (A) record (DNS) updated with wrong IP address

I recently installed a new Domain Controller running Windows Server 2012 (called "srv3") in a domain with two existents DCs that are running Windows Server 2003 (called "srv1" and "srv2"). All roles ...
0
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2answers
41 views

Deny access to website using DNS

In one company I have two user groups. One group is allowed to go to website (example facebook.com) and another is not. Can I do something with Windows Server 2008 R2 DNS server to achieve this? In ...
0
votes
1answer
92 views

MX record set up using Zoho mail and Linode DNS manager

I've decided to try Zoho's email service given that it's free up to 10 users. I'm having difficulty getting my mx records to jibe correctly with Zoho. Unfortunately Zoho's documentation is over ...
-1
votes
1answer
52 views

DNS server with scripting [closed]

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 ...
0
votes
1answer
221 views

How to properly set DNS for subdomains on Plesk 12?

I re-installed a virtual server of mine and updated it to Plesk 12.0.18 (Ubuntu 10.04.4 LTS). The reset and reinstall was done automatically by HostEurope, the update from Plesk 11 to 12 was done ...
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0answers
68 views

PowerDNS Reverse lookup is not responding in VPN connected network

I created a test network. It is a star VPN network with: - 1 main router - 2 subrouters (DrayTek Vigor 2920) - behind each router a client - behind the main router a PowerDNS machine now the ...
5
votes
1answer
259 views

What is the extra data specified in a DNS entry called?

A Windows DNS server can have extra data specified in it's DNS entry to alert certain machines of the location of specific types of servers...for instance an entry might have a some of this data that ...
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0answers
23 views

DNS Manager (Win 2012) only displays a partial list of records

I have not been able to locate anything on the web to address this issue I am having with DNS Manager on a 2012 box. Basically, I am running DNS Manager on box-A and I am looking at DNS Servers on ...
0
votes
2answers
46 views

Dynamic Network Name Lookup

I want to make a "dynamic hosts-file server", in lack of a better name, i want to make a machine that asks my other machines what their name is and then lists it in the DNS or some hosts directory. ...
0
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0answers
15 views

How to set up an VPN Server which directs a connected users browser requests to one specific domain to another IP address?

I'm about to create a testing environment for my clients, which have to access certain web addresses. What I want to achieve is the following: - A client connects to the VPN server - He opens a ...
-1
votes
1answer
48 views

BIND with external web server [closed]

I am trying to get up and running my own DNS server but something is wrong. I do not get any error but when I access to www.example.org the page is not loaded. I am using Linux. My registered ...
1
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1answer
45 views

Setup an intelligent Round-Robin strategy

According to a lot of research - I discovered the design pattern Round Robin. It basically solves the idea I want to adopt. I want to have a pool with physical servers, each their own IP address ...
0
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0answers
40 views

DNS server for DMZ

Servers are in a different subnet like 192.168.1.0/255.255.255.0 and there is a NAT for internet access. For example if one of my web servers ip is 192.168.1.100 inlocal then 5.5.5.100 will be my ...
0
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0answers
62 views

DKIM error - no key

Im using PowerMTA and trying to get dkim to work. Im using godaddy DNS. Gmail is giving me : dkim=neutral (no key for signature) header.i=@ same thing with yahoo: permerror(no key) dig output: ...
12
votes
2answers
378 views

What happens when your TTL gets screwed up in your DNS record?

What happens when someone gets access to your DNS control and sets a TTL of 100 years on your domain, while pointing it's IP to some obscure website? (and you discover it too late of course)
1
vote
1answer
127 views

Proxmox vps container connection problems

I have Proxmox on my node server which have ip:5.189.190.* and I created openvz container on an ip : 213.136.87.* and installed centos 6 on it The problem: Cann't connect to container ssh directly ...
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3answers
93 views

Migrating DNS Providers

Currently, the DNS provider for our domain is our ISP. However, we are moving to a new ISP, and therefore I need to migrate to a new DNS provider. This is something I've never actually had to do in ...
0
votes
1answer
61 views

Unable to resolve Amazon route53 domain name to loadbalancer

In AWS I have configured a load balancer to point to an EC2 instance and its working fine. Then I used route53 to resolve my domain to the loadbalancer IP. ex: "api.b1.example.com" The problem is ...
0
votes
1answer
62 views

External DNS takes a long time to resolve for AD computers

On our AD domain, end users desktops take a long time to resolve DNS from outside our company. Internally everything works fine. The desktops are pointing pointing to 192.168.2.4 and .6. Those are ...
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2answers
38 views

Do DNS servers get queried in round-robin, random or some other fashion?

I know for a fact that A records and most other records are round-robin. MX records have priority types. What about D(NS) servers? Both in the context of NS record and static configuration in client ...
0
votes
1answer
115 views

dns external lookup servfail

I assure you I have searched far and wide for a clue to this problem! I have a DNS server running CentOS 5.5 and BIND 9.3. Most external lookups work fine, but lookups on one particular domain ...
0
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1answer
85 views

DNS Conditional forwarder returns NETBIOS instead of FQDN

Strange DNS problem for which I hope you can help. Active Directory with NETBIOS name "Shortdomain" and as FQDN "verylongdomainname.lan". Domain controller DC01 behind firewall. IP: x.x.x.1 Customer ...