Our organization IT team is planning to change the DNS entries for the servers. The servers includes our on-premise TFS (2015) server too. How does the change of DNS entry impact the current TFS server? Can someone please help me to understand this.
DNS is a system that points a domain name (like: tfsserver.com) to physical IP address. Usually, we access TFS with IP address, server name or DNS friendly name. If IP address, server name or DNS friendly name doesn't change, it should won't affect you access TFS.
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I "own" a URL www.example.com which is currently hosted by One.com. I recently built my own server running a LAMP stack and it serves pages to the internet from /html as it should, but is only accessible via numeric IP address. In the past I've re-assigned the name servers for URL's but only using a hosting company's "dashboard" or GUI. I've read about changing the DNS settings in Ubuntu (my server is running 18.04) and also I've researched what I can into Google's public DNS and DynDNS services.
So I have two sets of questions. First, is it possible to "connect" or "bind" a URL to the static IP address of my own server without using a DNS service? Can it be done through any kind of public registry and if not, what are the least expensive but still reliable options?
Second, is basically "Why bother?" I do understand the value of a human-readable address but also, the address bar isn't realistically used anymore. Most of the security value of having human readable addresses depends on users actually looking at the address bar so that's becoming a moot argument. People only navigate the web now through links and Google searches, and the address bar is essentially a developer tool. It seems like I can pretty much replace the need for DNS with masked links and meta titles?
You need to set your domain's "A Record" in DNS to point to your server's IP address. While not neccessary, you can configure Apache to respond to the correct domain with virtualhosts [https://httpd.apache.org/docs/2.4/vhosts/name-based.html ], but you will need the DNS configured correctly first.
It is not possible to bind a domain to an IP address without DNS - DNS or Domain Name System is THE authoritative system for doing so. It's how the world wide web functions.
Here is some additional reading on what DNS does and why it's important: https://www.cloudflare.com/learning/dns/what-is-dns/
I have an Jenkins server named "jenkins" in a remote machine, and I currently use its actual IP address to access it. And I have a domain name to use for my Web server on another machine: www.mysite.com.
Is it possible to configure DNS names to use "jenkins.mysite.com" to access my Jenkins server machine without registering another independent domain name?
Further, I might have another machine to host my wiki, so I would like to access it as "wiki.mysite.com".
Thanks.
Yes, it is not only possible, but extremely common. It is a perfectly ordinary use of DNS. The entity controlling mysite.com can add whatever names they want under it (barring some technical limitations).
The details of what you personally need to do to add those other names will, of course, depend entirely on your environment. It can be anything from editing a zone file or using a web administration interface to talking to a sysadmin.
I have been looking for the answer to this but unable to find it thus far.
I have an Azure Windows VM with 3 Websites on it. I have managed to configure one domain to point at the IP Address of the Server (A Record) but when I try to point domains to the other two sites, I cannot specify the port number.
How would I go about getting additional custom domains to point at different ports on my VM?
Thanks! Tom
You cannot map different domains to ports.
What you can do, is map domains to specific sites on IIS and have them listen to that specific hostname. Godaddy has a guide on how to do that here
I would like to know how to access websites by IP address in a server that hosts more than one web application?
Currently I can get the IP address of the server, but it points to one site by default. Is there a prefix or suffix that I can add to the IP address to get a particular website in the server?
Eg: I would like to access by IP address:
http://mysubdomain1.domain.com
http://mysubdomain2.domain.com
http://mysubdomain3.domain.com
The server hosts many ruby on rails web apps via nginx and unicorn.
Thanks in advance.
Assuming that the server has one public ip address, and been set up to serve virtual hosts, you can do that like this:
curl -H "Host: subdomain.domain.com" IPADDRESS
I don't think your question has enough information to be answered accurately not in depth.
Here are some thoughts.
There are different ways in which websites can be hosted. Via IP, aliases, named virtual hosts, etc.
There's a good chance that the server that's hosting those websites uses named based virtual hosts https://www.digitalocean.com/community/articles/how-to-set-up-nginx-virtual-hosts-server-blocks-on-ubuntu-12-04-lts--3
That is, one ip points to multiple servers. In that case, the only way you can get to it, is by knowing the domain name.
Here's more or less how it would work
User requests http://mysubdomain1.domain.com
Server with single ip has an entry for that subdomain1 and forwards requests to it.
I have a scenario where I have many domains (could be hundreds) pointing to my one web application for example
site1.com
site2.com
site3.com
.... etc
All point to my single web app, this app will be in a shared hosting environment.
The only way I can think of configuring these bindings in IIS is to send my shared hosting company an email every time I need a new binding. Is there a better way? for example some how sending all host headers to my site? How do I do that?
You probably need your own IP address to do this. Then you could just not specify a Host name in your binding:
You will need to specify your IP in the binding though.
This means that as long as your DNS points all sites to your IP, then your site should respond.