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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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Correct way to point a subdomain to another subdomain using CNAME record

Heyy, I have recently pointed subdomain A to subdomain B using a CNAME record. What bothers me is the browser's address bar, meaning when I visit subdomain A it then automatically shows the url of subdomain B. How can I show just the subdomain A url…
WTellos
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How to map a subdomain to a specific port on the server?

I have a server that has a docker container running on port 443 (registry), which I access by addressing https://registry.mywebsite.com. I want to also direct https://pages.mywebsite.com to that server, though port 443 is already used by the…
naraghi
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Access Internal IP by Sub-domains

I'm trying to access applications with internal IPs via subdomains from outside. From my research, when it comes to http running apache, it seems feasible with a DNS server inside. How to point sub-domains to different local IP However, what if the…
Seandex
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Certificate to a Sub domain on my home server

I have read many articles on certs on a subdomain, but I'm still confused. My hope is someone can explain how this needs to be configured. I have a production server (hosted VM) for my site (eg. https://www.example.com, ip: 1.1.1.1). I have an…
NEW2WEB
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DDNS on my .com domain

com domain with some subdomains all dns A records point to the same IP of my computer (used as a server) that host a kubernetes cluster, subdomains are used for the routing. Since I have a dynamic IP (instead of a static one) and I cannot have a…
Raffa50
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different AWS accounts manage different subdomains

I've checked this answer but it didn't help. I'm moving example.biz to R53 zone in one AWS account ("parent") and want to manage subdomain api.example.biz in another ("child") account. I've created api.example.biz in the child acc: Then I took…
Putnik
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How do I set up a mail server in a mail subdomain?

Please forgive me, I'm pretty new at server admin tasks. I've just moved servers, away from my 'learning' VPS and am about to set up email on my Debian VPS. It'll the second time I've done this. Ever. I followed this guide, formerly, but ended up…
Glenn
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How to configure subdomains in nginx on local network

I have a raspberry pi at 192.168.0.130 hostname pi (running 64 bit ubuntu server or raspberry pi os) It has 2 dynamic node websites website1 and website2 running on ports 5501 and 5502 Is there a way for me to access them like website1.pi.local and…
aryan chavan
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How to redirect a port and use a subdomain?

I know my problem has already been described (see How do I redirect subdomains to a different port on the same server? for ex) but as I can't make it work on my side, I ask for some help again. I have an Apache server running. I can access to all…
Xuo
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Using wildcard does not resolve sub of subdomain

I have a domain xyz.com on (xx.xxx.255.25) and sub.xyz.com on (xx.xxx.255.240) To resolve sub I added the following reocrd in BIND sub IN A xx.xxx.255.240 *.sub IN A xx.xxx.255.240 and worked well, but the problem is…
Ahmad
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Several sites in local in nginx

If I want to work locally with 3 sites site1 site2 site3 How do I configure my nginx and host? sites-available: server_name site1 location / { proxy_pass http://127.0.0.1:81; } The other sites: server_name site2 location / { …
Isaac Palacio
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CNAME from 1 subdomain to another subdomain

I have added a CNAME from order.checkoutchiangmai.com to restaurant1.acemsweb.com. The result I have is "Apache is functioning normally" when I open order.checkoutchiangmai.com. I am unsure why the restaurant1. domain does not show, as when I check…
Phillsav
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Point own subdomain to Heroku app through HTTPS

I have a domain, let's say mywebsite.com bought on NameCheap. I have pointed it's primary and secondary DNS to my hosting provider, so I can view my website and manage the subdomains there. I also have a wildcard SSL certificate on my webserver, so…
Jacob
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How to create DNS subdomains Linux

i'm trying to build a DNS Server with sub domains, where i have domain name padence.com and beneath that i need two more sub domains to be added like aa.padence.com and bb.padence.com . I have setup the DNS Server into a chrooted env based on my…
karn
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Nginx - Configure domain and multiple subdmains pointing to same root

My wish is to configure my site in a such way that: company.fr collaborator1.company.fr collaborator2.company.fr ... the domain and associated subdomains point to the same directory root. Under the hood I'll use Symfony and the content displayed…
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