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

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Windows remove DNS server

I have a DNS server that is misbehaving. Some of my windows machines only have 2 dns servers server01 192.0.2.1 server02 192.0.2.2 Some of my windows machines have 3 dns servers server01 ...
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1answer
14 views

Specify destination DNS server based on subnet

Our office subnet is 10.1.10.0/24. I have a gateway (10.1.10.1) that is forwarding DNS requests to a server running DNSmasq (10.1.10.2). I have an IPsec tunnel to our Parent Company's network ...
0
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1answer
13 views

CNAME in Route 53 - Redirect www to non-www not working

I'm hosting web application on AWS with Nginx 1.6.3 and django 1.7.6 I'd like to redirect www.mydomain.com to mydomain.com through Route 53 In other words, showing mydomain.com/foo on address bar ...
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0answers
9 views

vestacp create a record [on hold]

I try to use website domain for ns1. and ns2. e.g. mydomain.com ns1.mydomain.com ns2.mydomain.com my domain support tell me i need to create: corresponding A record How i can do this in ...
0
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1answer
24 views

Injecting DNS records for a domain on your DNS server for local domain clients

I have a Microsoft DNS server setup and running for my local domain (mydomain.local). I have set up a public domain since then (mydomain.com) and want all my local clients to have different A hosts ...
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0answers
18 views

Azure Virtual Machine outbound HTTP timeout

I've created a simple webapplication running on an azure virtual machine. The application is also displaying data from another website (http, 80), hosted outside of the azure cloud but also under my ...
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0answers
8 views

New install of authorative BIND9 logging requests but not responding

I have setup a new CentOS7 server, updated and installed bind + bind-utils to be used as an authoritative public facing NS. It seems to be ignoring external DNS queries. Configured logging, opened ...
0
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1answer
20 views

Old DNS settings after 3.5 weeks

I previously used my providers dns tool to point my domain to an AWS EC2 instance. using an A record. After years, I decided to migrate my DNS to AWS Route53. This happened on 13 Apr 2015. Today I ...
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votes
2answers
39 views

DNS not resolving 3rd level sub domain

I have a site working on a VM with Debian and Apache. The site is sitename.example.com . Now, I need to add a subdomain like subdomain.sitename.example.com on the same IP. What have I done until now: ...
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votes
1answer
11 views

nmap unable to split netmask from target expression [on hold]

I'm trying to scan my website with nmap to see what is visible from outside...but nmap returns this value... Starting Nmap 6.47 ( http://nmap.org ) at 2015-05-06 01:06 PDT Unable to split netmask ...
17
votes
1answer
325 views

How do registrars register authoritative name servers with root name servers?

I understand that domain name registrars, for each domain they manage, register the authoritative name servers for that domain with its top-level root name server. My question is: how do they do ...
-1
votes
1answer
19 views

domain name not connecting to server [on hold]

I have a VPS and i have purchased a domain name, setakshop.ir. now what I wanna do is to bring up a website on the VPS and bind it to the domain name.I followed the tutorial from this link: ...
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0answers
18 views

DNS setup over RRAS, Can't join Domain Controller

I currently have 1 domain controller in one of our premises. I have another server 2008 r2 which I have installed RRAS on and have setup 2 direct dials on either end and they have connected fine. ...
0
votes
0answers
18 views

How to set up email DNS settings with a DDNS domain

I am trying to set up an email server on ubuntu. I have followed this tutorial which has worked perfectly but I am now having problems with my DNS. I have a DDNS domain from www.no-ip.com -> ...
0
votes
1answer
26 views

CNAME for A record via Subdomain ignored

i try to do the following: @ A example.org www CNAME myotherexample.org. and in the index.php for example.org: header("Location: http://www.example.org"); die(); This should actually work but it ...
0
votes
1answer
39 views

How to get the root domain to work properly

As far as I know, the top most domain is .. So, shouldn't ibm.com be more appropriately refered to as ibm.com.? Or rather, ibm.com. should always work with any application. I went to Chrome browser ...
1
vote
1answer
25 views

Azure Linux VM name resolution

We have a single virtual network, with a single cloud server on Azure. This virtual network has multiple server nodes - including Windows machines, and some Linux machines. One of the Windows machines ...
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0answers
13 views

Sub Domain delegation with PDNS and AWS Route 53

I am trying to do subdomain delegation with PDNS , i have a subdomain corp.blah.com in PDNS and in AWS Route 53 i have a blah.com public domain which contains the NS record corp.blah.com NS ...
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votes
1answer
27 views

Deleted _msdcs by accident

I have made the biggest mistake known to man it seems as I have royally screwed up my Server 2008 r2. I have accidentally deleted my _msdcs in DNS and have trawled the internet looking for solutions ...
0
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1answer
47 views

Can't send email on Windows Server 2008 with Mailenable

I've got a VPS running on Windows Server 2008 and I'm using Mailenable as an Email Server for POP3 and SMTP. I've had the VPS since January 2015, its my first time configuring a server by myself, but ...
0
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0answers
17 views

BIND and Intermittent DNS issues [on hold]

I'm having some issues with my DNS sometimes resolving specific hosts, and sometimes not. What I have is a server with a static IP Address running Virtualmin where I have my primary domain. At home, ...
-1
votes
1answer
15 views

When adding new Forward Lookup zone, It adds incorrect NS records 2012R2 [on hold]

I own windows 2012R2, installed and configured a stand-alone WEB Server (no DC or secondary DNS). when adding a new forward lookup zone (or domain), it adds the Domain settings with SOA and a NS ...
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0answers
22 views

How to architect a reliable DNS infrastructure [on hold]

We are hosting DNS internally for a public facing web application. We have a datacenter where there is a Windows based DNS server hosting a couple zones. I need to setup another one at a DR datacenter ...
-1
votes
0answers
10 views

Tomcat add URL prefix for domain

how can I add a prefix for my domain when configuring tomcat so that I can have something like https://docs.google.com/document/ the docs keyword, I tried to do the following in the server.xml but ...
1
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0answers
29 views

DNS not working with Ipv6

I'm trying to configure bind for ipv6 protocol.I have added the entries to the zone and configuration files but still the ipv6 IPs are not returned when i try for nslookup.Can someone guide me to ...
-1
votes
0answers
13 views

windows server DNS configuration [closed]

I am using windows server 2012 r2. and I have internal domain mydomain.local. I want to purchase external domain for mail server but mydomain.com is not available. please help me to configure dns when ...
1
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1answer
21 views

iptables 'rewrite' requests on a certain port?

Alright, my situation is basically this... I have a box that's acting as a router, with 2 interfaces, eth0 and eth1. eth1 is my uplink, that is it is the interface through which the box is obtaining ...
0
votes
1answer
22 views

CloudFlare and PTR records for reverse DNS

OK so I'm having a hard time configuring reverse DNS for my website protected by cloudflare. Since cloudflare is protecting my server, it's their IP and NOT the real server IP's that shows up when ...
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0answers
15 views

bind9 ubuntu set up correctly, quit working

While I'm talking about Chef a bit here, I'm fairly confident the problem has nothing to do with Chef) We manage all of our Linux (Ubuntu) servers, which are running our web infrastructure, with Chef, ...
2
votes
2answers
37 views

Postfix long dns queries

I use my postfix server as a relay to another provider. I dig a little to find out why sending a simple mail takes so much time. I figure out that postfix do complete DNS queries for each single mail ...
0
votes
0answers
19 views

How to configure DHCPv6 and DNSv6 configuration in Ubuntu 12.04?

I'm planning to configure DHCPv6 and DNS server in my network. I would like to understand whether both DHCPv4 and DHCPv6 can be configured using isc-dhcp-server service? When i tried nslookup ...
-1
votes
2answers
23 views

Possible to forward domain with masking to url with page e.g. 'yyy.example.com' -> 'zzz.example.com/mypage' with Route 53 or GoDaddy? [on hold]

I have a domain purchased through GoDaddy and hosted at AWS that I need to forward a subdomain of to a subpage of another subdomain. So I have zzz.example.com/mypage and I want to forward with ...
1
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0answers
27 views

DNS setup and hosting multiple domains on OS X Server [closed]

I've managed so far to setup my OS X Server and host one domain FOR MY STARTUP COMPANY. However WE have more domains, and the technicalities are not immediately clear, we're not sure how to setup an ...
0
votes
0answers
12 views

VPS Multi-Site DNS Configuration [closed]

I have a VPS with Vultr. My intention with this VPS is to provide hosting for my customers' sites using their domain. I'm sorted with regards to setting up the Virtualmin/Webmin combo for my control ...
-3
votes
3answers
67 views

Domain’s NS accessible via IPv6 only [closed]

Imagine a level-2 domain where some (albeit not all) NSes haven’t any A record but have AAAA instead. In other words, some NSes are accessible via IPv6 only. Ī mean, something like: @ IN ...
-3
votes
1answer
13 views

custom domain name for ec2 [closed]

I have a Ec2 host and I have a ElasticIP. I have my domain setup in the BigRock and I have name-servers to my hosting. How can I point my domain to EC2 instead of my old shared hosting. Thanks
1
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1answer
25 views

Windows 2012 DNS does not answer queries about zone itself (SOA, NS, A, …)

I have several Windows servers with DNS and AD roles, some are Win2003, some are Win2012. There is an AD-integrated zone example.com that contains an ip 192.0.2.1 for example.com and an ip 203.0.113.1 ...
3
votes
1answer
107 views

DNS settings for DCs in remote sites

I have our main DC here at the main site acting as the DNS server by itself, I have plans to put an additional one later. This is how its IP is configured DC1 IP: 10.10.5.201/24 Preferred DNS: ...
1
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3answers
269 views

What is the best way to get PRECISE domain name from ip address logged in iptables log

In iptables I am logging certain public IP addresses... say of websites visited from different workstations, depending on destination port number... All this is not really relevant to the question but ...
0
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0answers
26 views

IP address redirecting to datacentre IP [closed]

We've recently moved our hosting infrastructure to a new datacentre where they do not offer managed support. We're experiencing a couple of teething problems and one specific which is kind of a show ...
-2
votes
0answers
31 views

Redirect ip to url through DNS [closed]

My internal Antivirus server has changed from an IP address to URL. The former IP is 192.168.5.9 and I need to find a way that I can setup a redirect in DNS to allow anything that tries to access that ...
0
votes
1answer
37 views

I am confused about the Authoritative DNS Server actual definition

I search for this a lot and the answer is the same everywhere: Authoritative servers give either the answer or "NO", the host does not exist. Non-Authoritative servers use either cache or a ...
-1
votes
0answers
26 views

SPF record definition [duplicate]

I'm stuck on how to create SPF records for a mail server that is hosting multiple domains. I have the following: DOMAINA.COM A Record - main-1.domaina.com CNAME Record - mail.domaina.com MX Record ...
0
votes
2answers
62 views

How to setup DNS correctly for computers inside a domain?

Suppose we have the following situation: there's one network with a router on which the internet access is configured and this includes the DNS IP's. Then we set up Active Directory on a server on ...
0
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0answers
23 views

forward subdomain with route 53 to ec2 instance with node js

I have node js serving both root site (non prefix) and app.mydomain with node js subdomain npm . how can I point to both of them using Route 53? as for now the root domain get request's from Route 53 ...
1
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0answers
15 views

DNS query from active directory is reaching reaching firewall in the same subnet

DNS query for root dns from active directory is reaching firewall which is in the same subnet. Default route for this active directory is L3 router which has no route to firewall unless traffic is ...
0
votes
0answers
29 views

How do I (or is it possible) set the DNS domain and a separate Windows domain?

I setup a small network @ home as a small business to provide a testbed for learning and keeping my computer skills reasonable current. The main pieces of the network are a smallish linux server w/a ...
-1
votes
0answers
13 views

DNS forward to goolge apps

Im setting up a local doimain, but still keeping my google apps account. Inside my domain I nedd to be able to type mail.mydomain.com in a webbrowser and have that request redirected to ...
1
vote
2answers
24 views

Redirect www2 to another server

I need redirect www2 subdomain existent on example.com (192.0.2.1) to redirect transparently to another server (like example.net, 192.0.2.2). But I'll access this second server via www2.example.com. ...
0
votes
1answer
25 views

DNS Configuration for Exchange Autodiscover service

I need to publish the exchange service to the internet. I need a basic help with the DNS configuration of my unique registrar service. On the registrar site: I configure a DNS "A" Record that ...