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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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SSL certificate mismatch, multi vendor website

I have a website hosted on *.mydomain.com, my Apache web server in conjunction with PHP will return/echo some plain text based on the subdomain provided. *.mydomain.com is secured with a wildcard SSL certificate. I need to allow users to redirect…
Owen
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Redirect SLD to subdomain on registrar using SSL and dynamic dns

I want to redirect / forward https://example.com second-level-domain to https://www.example.com subdomain without having a SSL certificate on registrar itself (but on own server). My problem is, that I don't have a static ip, so can't use a A-Record…
User Rebo
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Is there official name of sub-subdomain (i.e. "test2" of FQDN "test2.test1.example.com")

Is there an official name for a sub-subdomain: i.e. test2 of FQDN test2.test1.example.com; if not, is this expression commonly used? Also, what if there is more granular FQDN such as test3.test2.test1.example.com? So, test3 should be like…
address
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can I get guidence with setting up a subdomain?

Can someone actually give me the steps on how to create a subdomain and not link me to some random ressources? I have a TLD and run a site on that, but I want create a subdomain for it and install wordpress onto the subdomain. can someone please…
BadWo1f
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Nginx/DNS configuration multiple projects

I've one domain: example.com and multiple projects: proj1, proj2, proj3. Every project has its own API and INTERNAL panel. Could you please suggest me the right DNS/Nginx configuration for this situation? OPTION 1 server_name…
Jumpa
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Subdomain A record Resolves, but Nameservers won't

I have a domain xyz.com, which resolves to an IP: 192.168.1.128 Nameservers: ns1.named.com ns2.named.com Now I have a subdomain, webmail.xyz.com which points to 192.168.1.129 The zone file xyz.con.zone records is provided below: ;; A…
Thomas M
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Pointing to another domain using CNAME

I would like to point a subdomain to be displayed in another external domain using CNAME flattening. e.g. book.webbangkok.com to be displayed at property.thailandbusinessconsultant.com In webbangkok.com DNS, I have created the CNAME blog to the…
SavPhill
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Having Trouble Setting Subdomains On NGINX

I'm currently setting up OpenMediaVault on my Rock64 Single Board PC which is based off Debian and is configured through the web GUI running from NGINX on port 80. I'm currently trying to install Nextcloud using NGINX, MariaDB/MySQL and PHPMyAdmin,…
willowen100
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CNAME pointing to domain instead of subdomain

I have a SAAS application which has 3 different subdomains. example.com app.example.com support.example.com I want to White Label the services only in support.example.com Example: testcompany.com requires services to my support.example.com To…
Anirudh
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Update DNS with wildcard record - TSIG error with server / GSS verify error

I am working with Microsoft DNS server in corporate environment. I do not have direct access to it, but I can add records remotely. For example - using nsupdate - I can add new A / CNAME type record as in this question from Unix&Linux how to update…
Majus Misiak
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Can I set different IP to second level sub-domain?

I'm trying to set a A records to this domain: *.mydomain.com A 1.1.1.1 That will be different from this sub-domain: *.*.mydomain A 2.2.2.2 But it's not working for me. And I always get the first IP when I ping it. We're using AWS route 53 DNS Thanks
Noamway
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wildcard sub domain internal URL rewrite

I am trying to achieve URL like GitHub Pages. whenever user will visit username.example.com internally it will respond from localhost:80/username I am giving some example So that it will make the problem more understandable. what I am trying to…
nitishk72
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How to configure multiple Apache subdomains for .NET CORE 2.0 on UBUNTU?

I found this post and updated my config. I have this reverse proxy configuration on Apache. ServerName a123.com ServerAlias www.a123.com RewriteEngine On RewriteCond %{HTTPS} !=on RewriteRule ^/?(.*)…
yW0K5o
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DNS - Multiple records

I'm having an issue changing the DNS records for my domain. Currently my DNS configuration is as follows: domain.global A 165.227.196.94 www.robbu.global CNAME robbu.global inveniolive.robbu.global A …
Caio Kawasaki
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Can't create new subdomain on ubuntu 16.04 with ssh

I am trying to create a subdomain in a vps that runs ubuntu 16.04 so far i have failed, i have read many blogs teaching how, and many of them have the same reponse like this one i did every step, i did not get errors on the console but the browser…
Carlos Salazar
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