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Questions tagged [subdomain]

In the Domain Name System (DNS) hierarchy, a subdomain is a domain that is part of a larger domain.[1]

The Domain Name System has a tree structure or hierarchy, with each node on the tree being a domain name. A subdomain is a domain that is part of a larger domain, the only domain that is not also a subdomain is the root domain.

For example, mail.example.com and calendar.example.com are subdomains of the example.com domain, which in turn is a subdomain of the com top-level domain (TLD).

A "subdomain" expresses relative dependence, not absolute dependence: for example, wikipedia.org comprises a subdomain of the org domain, and en.wikipedia.org comprises a subdomain of the domain wikipedia.org.

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Is it possible to have subdomain in separate server

Supose I have a domain www.foo.bar registered to point DigitalOcean. Is it possible to have a subdomain like staging.foo.bar pointing Amazon AWS? Any tips regarding of how to achieve this?
Luiz
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Apache default site returning virtual host directory

I am new to the world of server administration and am trying to learn from the ground up. I am running an Apache2 server on Google Compute Engine and am configuring my domain with Google Domains. Lets say I have example.io and I want to make…
pinglock
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Two physical web servers on port 80 behind a router

Current scenario I have an Apache server running on default port 80 on a CentOS 6.7 box. I forward port 80 from my router to this machine, and I can access it from the outside with my domain a.com. Everything works as expected. What I want to do I…
istrasci
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Delegating Subdomain finds Authority but no answers

I'm having a bit of trouble with a delegated subdomain using powerdns. My setup is quite straight forward. Example.com 2 powerdns servers. 1 Master, 1 Slave. Zone Config example.com SOA ns1.example.com example.com NS …
olly
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Setting up subdomain on one .com to point to the subdomain on another .com shows cPanel welcome

I have 2 domains on 2 different servers, using two different sets of nameservers. In the DNS settings for the first TLD, lets say foo.com, I have the @ pointing to server1 which is running a specialty site hosted by the software vendor. That works…
Rob Allen
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how would i create rule for a particular subdomain in uppercase? e.g XX.test.com

I am new to system admin side. I need to create one subdomain with capital letters. e.g our main URL will be test.com and one of our sub-domain will be SS then instead of writing ss.test.com I want it to make SS.test.com how would I achieve…
user4988384
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how to have domain without www and MX records work together?

I think i have a common problem but wasn't able to find much resources for answering it. We have a domain and it works when we resolve it as www.domain.com, i have also setup a MX record pointing @ to mx.mailserver.com, this ensures that emails send…
Anirudh Goel
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Apache virualhosts subdomain

I have 2 entires in the 000-default file. One of them is about a subdomain and the another is about everything else. The problem is that just one works, what is the first in the file. So if i write first the subdomain entry that works if the…
Gábor Varga
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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: 000-default.conf
Mechromancer
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subdomains: will the external host urls still work

An outside company is building a website for our client as we are building the web app with dashboards. The website will have a "login" button which we will set up a subdomain to point to our server. It will look like this, dashboard.example.com.…
Naterade
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How to make a subdomain resolve the root domain

I have a domain, example.com that belongs to an Apache server. I want visitors to both us.example.com and cn.example.com to see what is seen when visiting example.com. The subdomain must remain in the browser address bar. Also, I do not control the…
Keyslinger
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Is this the best way to handle this subdomain issue?

I have a domain called mydomain.com on server1/IP1. I need to put the subdomain store.mydomain.com on server2/IP2. Am I right I need to add a new DNS A record for the subdomain at the domain registrar? So the DNS zone would look something like…
Steve
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Possible to put a subdomain on a different server than the domain?

My friend has a website website.com. It's not on a powerful server. She wants to put a shop on the website, e.g. store.website.com I believe a solution is to put her shop on my own powerful server. So, is it possible to keep www.website.com on her…
Steve
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Multiple Sub-domains with one IP address

I know that it is not possible to configure DNS so that different subdomains get pointed to the same IP, but with different ports. I.e.: alfa.example.com 10.10.10.1 :550 beta.example.com 10.10.10.1 :560 Because DNS only provides names and addresses…
steevoo
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how to setup a wildcard subdomain on 123-reg.co.uk

I have a domain on 123-reg.co.uk and I want to setup a wildcard subdomain. I do currently have a * A record which points to one IP address, but I also want a subdomain called web which can also use wildcard subdomains. i.e. web.mydomain.com =>…
PrestonDocks
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