Wildcard subdomains are useful to allow end users of a domain-based multisite network to create new sites on demand. In this type of network each new site has its own subdomain, and the wildcard configuration means that those subdomains do not have to be configured individually.
Questions tagged [wildcard-subdomain]
456 questions
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Is a wildcard SSL cert necessary if all sub-domains point to the website root
I am completely new to SSL certificates and need to purchase one pretty soon. There seems to be a huge price increase when sub-domains come into play.
My question is this:
I have my site set up so that username.domain.com is rewritten via htaccess…

DaveE
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Wildcard subdomain info sharing between node server and Nuxt/Vue client
We are building a multi_tenant solution with NodeJS/Express for the back end and VueJS/Nuxt for the front-end. Each tenant will get their own subdomain like x.mysite.com, y.mysite.com, etc.
How can we make both our back end and front-end read the…

asanas
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Traefik Malformed Error using for ACME Lets Encypt Certificates & docker
I'm unable to get my wildcard certs issued from traefik. I use the [docker] configuration for all my backends. On boot, I am seeing the following error for my various domains:
time="2018-05-16T05:41:39Z" level=error msg="Unable to obtain ACME…

cdaringe
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Firebase - Subdomain for each client
Using firebase hosting is it possible to give each client their own subdomain on registration?
For example;
clientA.startup.com
clientB.startup.com
I could not find an API for domains and see no wildcard support in the docs.
Thanks,
Lewis

Lewis Quaife
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Sharing session data to all subdomain codeigniter
I am trying to use one session data for all of my subdomains.
I have created a subdomain in cpanel like this : *.mydomain.in
and my *.mydomain.in uses the same path as my mydomain.in example:
mydomain.in uses path on my server:…

Mohammed Sufian
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Cannot get wildcard certificate with traefik v2 and godaddy
I'm trying to set up a wildcard certificate mechanism with traefik v2.2 and GoDaddy. What I want to do is generating a valid certificate for the URLs pattern *.example.org. Here there is my docker-compose:
version: '3.7'
services:
traefik:
…

floatingpurr
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Wildcard Subdomain Exceptions
I have a wildcard subdomain enabled and dynamically parse the URL by passing it as-is to my index.php (ex. somecity.domain.com).
Now, I wish to create a few subdomains that are static where I can install different application and not co-mingle…

GiladG
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Using wildcard subdomains with wildcard SSL on Heroku
We have an app recently deployed to Heroku. I think we have hit the wall in terms of our requirements (please make my conclusion wrong ) .
It's a project management app. Management has decided to go for all SSL solution hence we got ourselves…

kaji
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Wildcard SSL certificate with subdomain redirect in Kubernetes
I've configured my Kubernetes to use one wildcard SSL certificate to all my apps using cert-manager and letsencrypt, now the problem is that I can't configure subdomain redirects cause Ingress is kinda "stiff". Here's how I'm trying to achieve…

nicolasl
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How to generate different recaptcha API keys for subdomain?
We'd like to have separate reCaptcha API keys for our development and production environments, but the development site is a subdomain of the production site:
www.mysite.com
dev.mysite.com
From the Google docs, it looks like as soon as we add…

dbcn
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Multiple asterisks in wildcard certificate
Is it possible to get a wildcard certificate with more than one asterisk?
For example, would this work?
*.*.example.com
Or can we generate a certificate with only one leading asterisk, such as *.example.com?

codingbear
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Automating wildcard subdomain for users GAE
I have an app engine instance project under let's say: cloud.domain.com
My goal is to be able to give a user of my a unique url that they can then map to their own domain using a CNAME record. Basically how you would connect to a domain to a…

bryan
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Dynamic creation of subdomains
I'm creating a website using MVC framework (Yii) and I need to dynamically create subdomains, i.e. http://company.website.com
So, in order to achieve this I've added a DNS wildcard (*.website.com). Now the problem is that my application controllers…

Josh T.
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Apache: virtualhost on each sub-domain to corresponding directory
I would like to do something like this:
ServerName $variable.example.com
DocumentRoot /var/www/$variable
for example if I go to foo.example.com it must show me /var/www/foo directory content
What is the good…

Yukulélé
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Occasionally receiving 421 response code from Azure Front Door when using wildcard route
We are using Azure Front Door to serve our white-labeled static website, which means we need our customers to be able to access it through unique subdomains (e.g., cust1.domain.com and cust2.domain.com).
We CNAME *.domain.com to our Front Door…

brandon-barnett
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