All Questions
Tagged with domain-name-system subdomain
395
questions
0
votes
1
answer
106
views
Map subdomain to local IP through public IP
I want to map subdomain to local IPs on my machine to achieve a IP for each of my virtual machines.
I know I can setup a DNS on my own machine but that will only resolve the domain on my own machine.
...
- 3
-1
votes
1
answer
289
views
Can a subdomain point to a different hosting service? [closed]
We own a domain, mydomain.com, which is registered at Ionos and which has a lot of, as yet, unused storage available to it. Our main website URL has been hosted on SquareSpace since 2015, we are out ...
0
votes
1
answer
89
views
Nameserver Setup For Subdomain
I have a domain, flossnet.co.za which is pointing to a VPS at Contabo with nameservers ns1.flossnet.co.za and ns2.flossnet.co.za
I have created a subdomain, courses.flossnet.co.za which points to a ...
-1
votes
1
answer
214
views
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-...
- 99
1
vote
1
answer
199
views
BIND Nameserver - $ORIGIN in zonefile include always appends to its previous value
There is a a basic zonefile for "example.com" with an include of another zonefile for the subdomain, which has another include for each server.
Now the usage of $ORIGIN without trailing dot ...
- 11
1
vote
1
answer
214
views
How to create service/port specific subdomains in OpenBSD vm
I am creating a website in an OpenBSD vm, and I plan to have different services on it that will be pointed to by their respective subdomains (irc.example.com -> example.com:6697, img.example.com -&...
0
votes
1
answer
195
views
403 after pointing A-Record of subdomain to IP of other server
I have two servers X and Y.
Server X:
I have a VHOST for the subdomain test.api.konfigurator.company.de pointing to a directory which simply has a index.html containing the word "it works!"....
- 491
1
vote
1
answer
789
views
How to handle requests to non-existent subdomains with Nginx
Here's my Nginx configuration for my domain example.com which serves a trivial static website.
server {
root /var/www/example.com;
index index.html index.htm index.nginx-debian.html;
...
- 11
0
votes
0
answers
171
views
Remove discarded subdomains (wildcard) from subdomain scanners
I have a server which I use with my own domain name, with a wildcard DNS record.
On the server side, I use the nginxproxy docker image to autogenerate VHosts. This allows me to add new websites/pages/...
- 1
0
votes
1
answer
521
views
Mailgun : Sending a message from a subdomain to main domain gets denied
I've set up a subdomain in mailgun to send transactional emails from an application (mq.domain_name). This seems to work fine, as long as a receipt's domain is other than the main domain we own, for ...
- 101
2
votes
2
answers
294
views
Do all domains technically end with "."?
My understanding is TLDs are subdomains of the root domain which is represented by ".".
So "google.com" in more specific terms should be "google.com.".
Under what ...
- 123
0
votes
0
answers
1k
views
How to setup SSL with a subdomain from FreeDNS?
I'm trying to get HTTPS setup for free (which might be the root cause of my issues), but am having an issue getting a SSL cert for my subdomain.
I used FreeDNS to create a subdomain that points to my ...
- 1
0
votes
1
answer
759
views
Domain returns timeout
I'm trying to associate a sub-domain that I have on the IP of a server that is running an api on IIS, the server is on AWS lightsail.
On lightsail I set IP to static, this IP I can access the api, but ...
0
votes
1
answer
288
views
Deleting subdomain A record with wildcard record in place
I have an A record sub.example.com and another record *.example.com
If I delete sub.example.com A record, will there be any resolution issues if they both point to the same IP address?
I am migrating ...
- 497
0
votes
2
answers
810
views
Nginx to point to different subdomains [closed]
I have a domain (example.com) that I am trying to use subdomains to show different parts of the applications. Right now is all Hosted in AWS.
This is sort of the set up I am trying to go for.
sbx....
- 105
0
votes
2
answers
2k
views
Creating a sub domain of our public domain for corporate/internal Active directory use. The public domain is also our Office 365 and Azure domain
Our current internal AD domain is example.local (set up long before I joined our team when this was a best practice)
Our Office 365 domain is a public, registered domain with GoDaddy which we use for ...
- 1
2
votes
2
answers
2k
views
Can't point my subdomain address to CloudFront distribution (using S3 + CF + Route 53)
[Jump to bottom to see updates and latest attempts]
First of all, I apologize if I misuse terminology here. I work as FE developer and this area on networking and setting up domains and aws services ...
- 123
0
votes
1
answer
2k
views
How to redirect forward from one subdomain to another subdomain with DNS?
I have several subdomains under an existing main domain, e.g.:
eg.domain1.com
ie.domain1.com
The company is rebranding, and has setup a new main domain, under which all of these subdomains now need ...
- 301
1
vote
2
answers
667
views
How to create SPF records for my subdomains pointing to services hosted on Azure
I have a webapp running on Azure and use Google Domains for the domain name (mywebapp.com) and DNS. Azure automatically generates URLs for different resources/services (e.g: https://black-cat-12345....
- 113
1
vote
1
answer
1k
views
Main domain working but not subdomain
I modified my dns record with my hosting provider in order to settle a subdomain, and they asked me to wait 24 hours to 48 for propagation while the TTL is 1 hour. (the ip adress in the picture below ...
- 11
1
vote
2
answers
2k
views
PowerDNS subdomain delegation, no answers
I'm having trouble redirecting subdomain to other DNS.
I have:
main exsisting domain: d and new subdomain:
| 8412 | 42 | test1.d | NS | ns1.test.test1.d
| 8413 | 42 | test1.d | NS | ns2.test.test1.d
| ...
- 19
0
votes
1
answer
573
views
With DNS e.g. A record, can I add a regex for any subdomain?
E.g. in my DNS providers UI, I have a A record for the main domain along the lines: mydomain.com.: <my server ip address>
This works fine.
I'd like to obtain a wildcard SSL certificate to be ...
- 111
2
votes
1
answer
165
views
Can a Second-level domain be considered as a Fully-qualified domain?
I often see people talking about FQDNs (fully-qualified domains) to describe subdomains (e.g., networkengineering.stackexchange.com) that are under a second-level domain (e.g., stackexchange.com). I ...
- 123
1
vote
1
answer
862
views
How does linux resolve wildcard locahost subdomains (e.g. : `ping test.localhost`) when `test.localhost` does not exist in /etc/hosts or dns server?
For example in ubuntu 20.04 LTS where the /etc/hosts file is empty:
>>> cat /etc/hosts
127.0.0.1 localhost
ping still works for any subdomain of localhost:
>>> ping test....
- 1,657
-1
votes
1
answer
36
views
DDNS on my .com domain [closed]
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 (...
- 31
-1
votes
1
answer
172
views
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") ...
- 2,277
0
votes
1
answer
311
views
Identifying the TLD and SLD of a URL
I was given a question to identify different parts of a domain and I got the answer wrong. Here is the URL
enter https:\\www.example.co.uk
What is the,
Top-Level Domain?
Second Level Domain?
to which ...
- 1
0
votes
0
answers
275
views
Setting up MX records for two servers with same hostname
In my DNS records, I have 5 MX records with my hostname being the main domain name of my site example.com. These 5 records are aspmx.google.com, alt1.aspmx.google.com, alt2.aspmx.google.com, alt3....
- 63
-2
votes
1
answer
427
views
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 ...
- 215
4
votes
2
answers
7k
views
OpenWRT - How to redirect all subdomains of a hostname, to the same host, so that it can be reverse proxied?
I have an OpenWRT router setup, 192.168.1.1, with search domain, local (as opposed to the default lan).
I have a server setup, 192.168.1.200, with hostname, server.local.
I have a workstation, 192.168....
- 189
0
votes
0
answers
160
views
How to redirect multiple subdomains through gateway server to internal app server with single IP address on different ports for each subdomain?
I am having a problem with trying to redirect subdomain url to a Application server that have apps on different ports but a single IP address.
Basically, here are the steps:
Client outside the network ...
0
votes
0
answers
197
views
Design for Providing custom CNAMEs using Cloudflare and Lets Encrypt
Currently we have a cloud based SaaS application, that runs behind a domain on Cloudflare. Let's say example.com.
The main panel and application is located at cloud.example.com. When a customer signs ...
- 101
0
votes
0
answers
119
views
Subdomain sometimes fails to resolve towards 8.8.8.8
We took care of implementing the changes you suggested for sip.teltel.io in our previous questions, but it did not improve.
Subdomain hosted on AWS sometimes doesn't resolve towards 8.8.8.8
8.8.8....
- 41
0
votes
0
answers
539
views
Updating IP in FreeDNS eg. in 5 seconds instead of an hour via script
Like the title says. At freedns.afraid.org website interface I can set the TTL if I'm premium. But how can I set it to 5s instead of the default 1h using/extending this script:
#!/bin/sh
#FreeDNS ...
- 1
0
votes
2
answers
4k
views
Nginx server blocks: subdomains vs paths
What is the difference between subdomains and location paths
example:
server {
listen 80 default_server;
listen [::]:80 default_server;
server_name xxxx.yyy.com;
location / {
...
- 25
1
vote
1
answer
159
views
Add SPF record for multiple systems in different servers
I have a domain with a published SPF record (v=spf1 a mx ip4:xx.xxx.xxx.25 ~all) for it (e.g: xyz.com) also this domain has four subdomains:
sub1.xyz.com xx.xxx.xxx.29
sub2.xyz.com xx.xxx.xxx.30
...
- 113
0
votes
1
answer
676
views
Is it possible to have the root domain on one web hosting and a sub-domain on another?
I have a shared web-hosting with CompanyA and another shared hosting with CompanyB. I own one domain called example.com. I want to host example.com on CompanyA and sub.example.com on CompanyB. Is this ...
- 11
0
votes
1
answer
700
views
Host multiple sites on same IP/port in IIS
I'm trying to get a second site running from IIS with the same IP/port combination as my "Default Web Site". I understand that I should be able to do this using the binding settings in IIS ...
- 101
0
votes
0
answers
301
views
How can I allow users to map their own domain to a subdomain on my Cloudfront site?
So I run a service where a user can create a site and they get their own subdomain. So if a user has site a-site-name their subdomain will be a-site-name.domain.com. Some of the users want to be able ...
- 101
1
vote
0
answers
78
views
Host a DNS Subdomain without Active Directory Integration
We have a use case where we want to have a subdomain controlled with automation, which is only creating CNAMEs to the active directory DNS. We want to limit access to the Subdomain and provide no ...
- 680
0
votes
1
answer
89
views
How websites discover subdomains using only 'A' DNS records [closed]
Don't 'A' records only return IPv4 addresses?
Why do some websites return subdomains? How do they find those subdomains? I mean, are they doing normal subdomain bruteforcing then resolve each ...
- 3
2
votes
1
answer
574
views
Does the Glue record get cached by the Recursive resolver?
Does the IP address of authoritative name server from Glue record get cached by the Recursive resolver?
The name server for a top level domain includes glue along with the delegation for a domain name....
0
votes
1
answer
197
views
Correctly point DNS to subdomain from cloudflare to cpanel server? [closed]
I have a CPANEL server hosting some websites and webmails, a couple of days ago I was asked to add SSL security to this websites and decided to use cloud flare to do this. So I added the domain in ...
- 111
1
vote
1
answer
65
views
How is .google a domain extension? [closed]
I just visited blog.google. How does that work? Can organisations register their own domain extensions? If yes, what is the procedure and how expensive is that? If not, how did they achieve the blog ...
- 135
5
votes
1
answer
3k
views
Is the subdomain _acme-challenge protected?
I was looking into the DNS-01 challenge of Let's Encrypt; and I had a question about the sub domain process [1].
Let's say, the website example.com gives away free subdomains; what stops me to ...
- 53
-1
votes
1
answer
126
views
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 ...
- 1
0
votes
0
answers
260
views
Redirecting subdomain to another server shows server's IP
Let's say I have a domain x.com which is hosted on server1.
I made a subdomain sub.x.com and pointed it towards server2.
All of this worked successfully, except now I see server2's IP instead of sub.x....
- 1
-3
votes
2
answers
203
views
What are the drawbacks of getting a free domain name [closed]
To configure a server, especially its email services, I'd need several @serverdomainname.topdomain.
I saw it is possible to pick some free domain names that would end in .tk, .ga, .xyz, etc.
I don't ...
1
vote
2
answers
616
views
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....
- 13
1
vote
1
answer
313
views
Subdomain for specific ports?
Summary:
In a broader context, I just need a way to connect to multiple servers that are all running the same services on the same network without having multiple external IP addresses or having to ...
- 117