Subdomain is a domain which is a part of a larger domain. For example, 'sub.example.com' is subdomain of 'example.com' domain.
Questions tagged [subdomain]
5761 questions
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votes
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Names and maximum lengths of the parts of a URL
In this URL:
http://www.subdomain.domainname.abc.xyz.com.us/directory/filename.extension
What is the name of each part?
What is maximum length of each part? e.g. subdomain, domain name, top-level domain…

hamid
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How can I use a subdirectory instead of a subdomain?
I'm building a rails app that I'll host on Heroku at domain.com. And I'd like to use WordPress for the blog hosted on phpfog, but I don't want to use a subdomain like blog.domain.com. I'd instead prefer to use a subdirectory like domain.com/blog
Its…

Eddie
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how to use cookie-free domains (yslow)
I was trying to solve the problem with cookie-free, the yslow has suggested to create a subdomain. I did, but the yslow still "show" the problem.
i didn't set the cookie´s domain in the page, cause i don't know how to do it.
anyone know a tutorial…

Mario
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Setting up a subdomain with Apache on Linux
I can't believe that I haven't done this before, but I would like a definitive answer so I'm all set going forward.
I have an apache config file at /etc/apache2/sites-available/mysite which looks like this:
ServerAdmin…

Darwin Tech
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Sharing SESSION Variables Between Multiple Subdomains
I have a website www.example.com. That will have multiple subdomains that work with a single application or program. For an example, login.example.com will allow the user to log in to the site while system.example.com will allow the user to access…

Kevin Oluseun Karimu
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Redirect any sub domain to a page on main domain
Just a quicky really. I want to be able to redirect anybody who types a subdomain.mydomain.com to be redirected to a page on my main domain. i.e If I typed: answers.mydomain.com I would be redirected to mydomain.com/suberror for instance.
I would…

Andy
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Testing subdomain constrained routes in Rails 3
I'm testing my Rails applications with Test::Unit. A problem I often come across is testing my application's routes for which I haven't found a solution yet.
At the moment, I'm working on an application which uses Basecamp-style subdomains to…

Michael Trojanek
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Does a "blog" sub-domain help the pagerank of your main site?
I have my main application site https://drchrono.com, and I have a blog sub-domain under http://blog.drchrono.com. I was told by some bloggers that the blog sub-domain of your site helps the pagerank of your main site. Does traffic to your blog…

MikeN
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How do you map a sub domain to a webapp on Tomcat 6 (including the root webapp)?
subject says it all. What I want is to map each sub domain to a webapp like:
http://root.domain.com:8080 -> http://domain.com:8080/
http://manager.domain.com:8080 -> http://domain.com:8080/manager
http://abc.domain.com:8080 ->…

Kawu
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Set up custom subdomain for Jekyll Blog hosted in Github Pages
I created a Jekyll-powered blog and am hosting it with GitHub Pages.
Now, I want to set up a subdomain (blog.example.com), but can't make it work.
I have added a CNAME file with the text: blog.example.com. And I have added two A records in my…

alejorivera
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How do I disable HTTPS on Heroku
I created a site and put it on Heroku. I then added a custom domain (e.g. "site.example.com") in the Heroku control panel and I pointed the DNS to my Heroku address. This works fine, but when I visit the site, I get a big browser warning, saying the…

am-rails
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Rails route for api on subdomain
I want to make the API of my Rails app accessible through a subdomain (https://api.domain.com). I have the following routes defined:
constraints :subdomain => 'api' do
namespace :api, defaults: {format: 'json'} do
scope module: :v1,…

smek
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nginx server configuration: subdomain to folder
I migrated from Apache 2 to nginx and I've got problems to handly my subdomain control.
What I want: When x.domain.tld is requested, internally rewrite to domain.tld/x
The problem I've got is that nginx always redirects the page by telling the…

quotient7
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Multiple subdomains with SSL under IIS
I currently need to have 2 subdomains under the same domain under SSL.
Both subdomains (www and affiliate) are on the same IIS server, under the same IP, and each one has specified a host header value (www.mydomain.com and…

Daniel Magliola
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Wildcard Subdomains
I know there have been a few threads on this before, but I have tried absolutely everything suggested (that I could find) and nothing has worked for me thus far...
With that in mind, here is what I'm trying to do:
First, I want to allow users to…

beaudeal
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