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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Server migration and DNS propagation

We're moving our store to a new server with a new IP address and I'm trying to determine if there is a way to minimize the number of users who still "see" our old site during DNS propagation. Right ...
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0answers
15 views

need to migrate single label domain name

Our company has 8 sites, all on different subnets and connected via (slow) MPLS, and about 250 users in AD, and Exchange 2007. The current infrastructure was put into place prior to me coming on ...
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1answer
23 views

How does Google Domains import your DNS record when you're transferring a domain?

We are transferring a couple of domains to Google Domains to try it out. Before finalizing the transfer, there's a Detect and import my domain's current settings option. Google was able to find all ...
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0answers
12 views

AD DNS conditional forwarding returns short name instead of fqdn

First of all this isn't a copy of DNS Conditional forwarder returns NETBIOS instead of FQDN (just sounds very similar). We have two separate domains that do conditional forwarding to eachother. Each ...
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0answers
6 views

AWS elastic beanstalk + load balancer: no response for some clients

I've recenlty deployed my app to AWS Elastic Beanstalk. I'm using Load balancer with Auto-Scaling group to route traffic. Here's my Route53 record set for .transread.io: ;; ANSWER SECTION: ...
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2answers
27 views

Hosting a Single Domain on Two Servers

I have a site example.com which is hosted on a VPS server. The site often deals with downloads, so I can't really server the downloads from the VPS server. So I want to use a dedicated server to store ...
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0answers
41 views

Nslookup not working in Active Directory on Windows Server 2012 R2

A few days ago, a colleague had to hard reset one of our servers runnning Windows Server 2012 R2. This server is in our Active Directory and has two DNS servers configured. After that reset, the ...
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0answers
15 views

Unique record per ip address on Windows DNS

I have a little problem with my DNS server under Windows domain. My DNS server gets automatic registration from clients by dhcp. Please consider this situation: Computer PC01 with dhcp address ...
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2answers
33 views

Automatic DNS registration only for domain computer

I have a windows domain with a win server 2012 domain controller with dns service installed. In the DNS server there is the automatic DNS registration, is it possible to limit these registration only ...
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1answer
31 views

Resolve route 53 private hosted zone names in my network [on hold]

I have created an AWS VPC and connected my network to it over VPN. I have a private hosted zone within route 53 and the DNS records in it resolve fine in my EC2 instances on the same VPC. Is there ...
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0answers
14 views

How to host on Linode but use GoDaddy mail server?

(I looked at similar topics but no help!)I bought a domain from GoDaddy and set up email accounts on it. Later on I moved my site to Linode. However I want to keep my mail server on godaddy. Currently ...
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0answers
3 views

How to remove local host dns settings on mac [migrated]

I'm having an issue removing some local dns settings on my mac that's running yosemite. I normally use the /etc/hosts file to direct requests from development sites to my guest Vagrant VM. Sometimes ...
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1answer
37 views

Unable to successfully enter to a subdomain

I have a little issue here trying to enter to a subdomain, I would like you to get me clear about the command line I am using because actually it got me confused. server block for domain listen ...
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1answer
20 views

bind9 with selective NS forwarding [on hold]

I'm trying to setup a bind9 server which can provide DNS lookups for both internal and external IP's. I have access to an external name server which can provide IP details of external IP's and I have ...
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votes
0answers
30 views

Seek a registrar that supports Buy/Move domain and DS via API [on hold]

I am programming a service and just hit an engineering brick wall when I found out that gkg.net does not support domain purchases via API. They appear to be the only provider that has DS record ...
1
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1answer
22 views

Proper implementation of Wildcard DNS on top of an A record

I need to set a wildcard DNS record for a sub domain which already has an A record. I'm not sure if i have to use a new A record for this or can just use a CNAME that points to the A record. My ...
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votes
1answer
26 views

Cannot connect to the Internet, Limited Access(Ethernet), Windows Server 2012

I am using a Windows Server 2012 for my institute, due to connectivity issues I uninstalled the services AD DS, DHCP, DNS. But after the uninstall the server is unable to connect to the Internet, ...
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votes
1answer
21 views

Website does not get displayed when using IP adress from lookup [closed]

I recently switched my domain to a new ISP and bought a webhosting package. After checking the IP of my server using who.is, I noticed, that my website can not be viewed directly using the IP. ...
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1answer
23 views

Direct admin subdomain not on public name server

I have a problem with subdomain not being on public name server. I created sub-domain in direct admin (omfrontend.dutchbridge.nl, it adds records for ftp.omfrontend.dutchbridge.nl and ...
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1answer
31 views

Can a domain name be mapped to multiple ips

I wanted to create a DNS entry for one domain to multiple ips like below : example.com 111.111.111.111 example.com 222.222.222.222 Is this possible. If yes what record can we create like this, ...
2
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1answer
33 views

BIND DNS A Record File

I've been adding about 10 DNS A records a week for the past 2 weeks. After updating a record using nsupdate it occurred to me that maybe I should find a way to separate the DNS A records from the ...
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3answers
69 views

Does “~all” in the middle of an SPF record signal the end of the record when it is parsed?

Our company's SPF record format is as follows: "v=spf1 include:_spf.google.com ~all a mx ip4:X.X.0.0/23 include:spf.example.com ?all" So we have an "~all" in the middle of our SPF record. On the ...
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0answers
21 views

Setup proxy, dns, file sharing (BIND9, SQUID3, SAMBA4) on lan server [closed]

Lately I buy new server to company and I need help with configure it. Before we have QNAP NAS with web-gui so editing config files wasn't needed. Now I need do it by hand. So I want to have: DNS ...
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1answer
44 views

www record on DNS

On Windows Server 2008 R2, I would need to perform some redirects. For example, the websites www.a.com and www.b.com should redirect to c.com. I have been asked to configure an A record for www on ...
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votes
2answers
25 views

1and1 domain redirected to Amazon ELB: 1and1 free email accs management

The web is behind an elastic load balancer in Amazon. I registered the domain with 1and1 which offers 10 free email accounts for the domain so I don't have to care about email servers for the moment. ...
1
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1answer
52 views

Failing to properly configure a sub-domain

I've rented a small virtual private server that runs Ubuntu, and I'm trying to configure a sub-domain. Thanks to several resources I've figured out how I'm supposed to do this, but still it does not ...
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1answer
27 views

DNS Issues in Hyper-V Environment

We have just stood up a new Hyper-V host with 2 VMs in a separate subnet and physical location. When I try to promote one of the VMs to a DC, I get an error that says the following: The following ...
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votes
1answer
54 views

DNS is not pointing [closed]

Let me clear scenario first 1)I purchased static IP from network provider and his name server is INPUDIIDNSPRPRD01.TATACOMMUNICATIONS.COM and INCHVSIDNSSEPRD01.TATACOMMUNICATIONS.COM 2)Then I just ...
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0answers
29 views

Only use Google DNS servers under Ubuntu 14.04

I have a Ubuntu server running on my local network and would like to instruct it to only use Google's DNS servers. I've done this on my machine using the network manager GUI, however my server doesn't ...
2
votes
2answers
154 views

Amazon EC2 - need to change IP address without downtime

I'm maintaining a fairly high-profile site which is hosted on Amazon EC2, and the previous developer pointed the A record at the instance's "public IP" instead of using an "Elastic IP". As far as I ...
0
votes
1answer
21 views

Migrating Windows DNS from server to server both 2012

From my understanding if both servers have AD as a DC with DNS, the DNS is migrated automatically. The main server(old one) is a DC but the new one is just a DNS server. So in this case is there a way ...
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20 views

An ADDC for the domain could not be contacted

It's not first time I am installing AD server (2012) and connecting client to domain, but yes!! its the first time doing in AWS ec2 instances. The scenario is I have 2 instances, one with AD services ...
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0answers
14 views

Differences between Forwarding and Caching DNS [closed]

I want to make caching DNS server in my home network. The reasons are a lot, for better response time, ISP can't see my requests and etc. But I can't understand a main differences between forwarding ...
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0answers
20 views

Force ipv4 server identification using DNS64

I have a requirement that my direct access client should always get the IPv4 address of the server (Server will always have an IPv4 address). I know that, DNS64 sends two DNS queries to the ...
0
votes
1answer
18 views

Create nameservers in Ubuntu server to host domains [closed]

I have a domain(from IndiaLinks) and a VPS server(from OVH with an IP). Consider the domain as mysite.com. Before purchasing this vps, I used to host it with shared hosting by adding the given ...
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2answers
35 views

Is it possibe to do an exclusion in an MX record? [closed]

Is it possible to exclude certain addresses or wild card addresses using an MX record?
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0answers
16 views

How to avoid OpenShift sub domains being cached by Google?

I've set up a custom domain with my OpenShift application. (Which is a blog) I've setup CloudFlare with page rules to redirect mydomain.com -> www.mydomain.com Now essentially, I've two aliases for my ...
1
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2answers
78 views

Client computer(Windows 8.1 Pro) unable to connect to a domain(Windows Server 2012)

I am unable to connect a client pc to a domain controller which is a Windows Server 2012 Datacenter. I have tried connecting it : Through the system menu in Control Panel Putting all the ...
0
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1answer
44 views

Unable to join win 7 machines to a domain running Server 2003

I am fairly new to server administration, but have worked with computers a long time. I am experienceing a problem I have never had before; I am unable to join any new machines to the domain because ...
1
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1answer
28 views

How can I fix “Superfluous name server listed at parent” on “producaoaudio.com”?

Superfluous name server listed at parent: ns1.gabrielsousa.com. A name server listed at the parent, but not at the child, was found. This is most likely an administrative error. You should update the ...
0
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1answer
46 views

ping -a not resolving hostname for one host on Windows 7 client

ping -a 192.168.99.3 does not resolve hostname for vcl.nailit.lab, but does for other hosts on network like pfsense.nailit.lab. nslookup vcl.nailit.lab and ping vcl.nailit.lab work correctly. See ...
1
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1answer
42 views

Conflict between wildcard DNS entry and SPF

I have a domain set up on Amazon's Route53, and it seems the following entries are not going to work (actual values replaced, obviously). Can anyone advise on how this should be set up? This is the ...
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0answers
4 views

Mapping domain subdirectory to external domain [duplicate]

How can I make a domain mapping from www.example.com/subfolder/ to www.otherexample.com in apache? I need the browser address bar always be www.example.com/subfolder/ so I don't want any redirection ...
0
votes
1answer
40 views

Getting a [550 5.1.1 Recipient not found] (Can't receive email) with CloudFlare

I'm having troubles with my email account. I'm using GoDaddy's Email service and the domains that are not connected to CloudFlare are operating just fine. The problem comes in with the domains that I ...
0
votes
1answer
92 views

Domain Controller loses major functionality randomly

I have a weird scenario going on, 2 domain controllers at 2 different sites that communicate over a BOVPN. At random the main server (named SERVER) will no longer be able to resolve DNS and even ...
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1answer
33 views

DKIM syntax, DNS Server rejected [closed]

I really need help on why my DNS host keeps on rejecting this entry: default._domainkey.myschool.edu.sg IN TXT "v=DKIM1; k=rsa; p=MIGfM...hZwIDAQAB;" I added our domain based on what I have read so ...
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0answers
17 views

Guest clients browsing very slow

I have AD, DHCP, DNS, RRAS, Print and File Services on my Windows Server 2003. I have a small network of 40 desktop computers and 10 guest laptop connecting cables for mobile staff. I have a Cisco CE ...
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1answer
29 views

Deploy multiple Web services versions at same domain

I would like to have all my Web services versions deployed at the same domain, like this: rest.mydomain.com/v1/ rest.mydomain.com/v2/ ... But these different versions are in different servers. ...
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1answer
42 views

Can I setup the PTR records of reverse DNS with different IPs?

I am very new into the Linux world. I'm trying to configure 3 Authoritative-Only DNS servers. I got everything set up, except for the zone of in-addr.arpa. I have the following servers with the ...
0
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1answer
15 views

opendkim only signs for 1 zone on a hosted server

I am implementing opendkim but I can only get it to sign for 1 zone. The tld is failing to sign even though it is the same key/signature/file for both domains. my .conf: cat ...