I have a domain xyz.com whose registrar and web host are different. I have pointed the registrars name server entries to the web hosts ns01.host.com, etc.
On the web host, I have now created sub.xyz.com and want to delegate this domain to an external name server. Of course this is not possible straight off since the web host only allows IP Addresses against Custom A records.
What are my options to delegate sub.xyz.com to ns01.externalnameserver.com?
Instead of an A record on your registrar, you may use CNAME record to point the subdomain to an external address.
Related
I have a domain and i want to set it to my server(centos 7).
I made a dns server by bind on my server and made 2 nameserver (ns1.myDomain.ir and ns1.myDomain.ir) and set it in my domain configuration, But i cant ping to my domain.
What is the problem?
At the domain registrar, you need to specify the authorised DNS server for your domain. My suggestion is to use the domain registrar's DNS server for resolution and create a zone file there for your domain and enter the A records and other records for your use case.
To have a domain working you don't need to setup your on DNS (bind) server.
most domain providers don’t allow setting a CNAME record for a main domain. It’s usually only possible to set CNAME records for subdomains.
So now I’m wondering if it would be possible to set an A record instead, pointing to scapp.io’s IP address. I tried it yesterday and it seems to work great but I’m worried that IP address might not be stable.
Any ideas whether setting an A record to 194.209.246.110 is a valid option for configuring a "naked" domain?
We don't recommend A record to IP address. The IP addresses may change without prior announcement.
See docs.developer.swisscom.com -> DNS for Domains for other options than CNAME.
Configuring DNS for Your Registered Root Domain
To use your root domain (for example, example.com) for apps on App
Cloud you can either use custom DNS record types like ALIAS and ANAME,
if your DNS provider offers them, or subdomain redirection.
Note: Root domains are also called zone apex domains.
If your DNS provider supports using an ALIAS or ANAME record,
configure your root domain with your DNS provider to point at a shared
domain in App Cloud.
What domain provider do you use?
My client have a dedicated server on liquedweb cloud service and we my web app is hosted on that server. We want our users to map their domain to our server. So they can enjoy our web app by using their domain name. What information I need to provide to my user so he can map domain and what information I need from them?
I don't know much(in fact anything) about domain mapping
thanks
It depends if the server has a dedicated IP address or is natted.
If the server has a dedicated IP address you can ask your clients to point their entire domain to you server by adding the following A records:
Host TTL Protocol Type IP Address
# 300 IN A 1.1.1.1
www 300 IN A 1.1.1.1
Not all domain hosts ask for TTL,if not dont worry about it.
If you want just their subdomain to point to your server (subdomain.website.com)
subdomain IN A 0.0.0.1
TTL is optional in some systems, in this case the default will be used.
Generally it is recommended that you use an IP for the Apex record and not a domain name. EG: example.com is the apex, www.example.com is the www subdomain.
A typical configuration would be below:
Host TTL Protocol Type Result
# 300 IN A 1.1.1.1
www 300 IN CNAME example.com
This is the same config as the top example but using CNAME example.com. It is the same as using A 1.1.1.1, it just means you only need to change one record.
If your server details are a hostname and not an IP address, most systems will not let you use the hostname for the apex so you will need to find out the IP address. (A simple method is to use the nslookup command or dig command).
TTL is how long in seconds a record last before it expires. If you are unsure what you are doing I recommend lowering this so you can correct mistakes more quickly.
Different methods for the different servers. For most of the servers, you have to change the nameservers of your domain.
This mostly needs when your domain registrar and hosting provider both are different.
First Login into your hosting account, navigate to the account details,
then copy the nameservers from there...which would be like :- dns1.hostingprovider.com
dns2.hostingprovider.com
After that, Go to control panel of your domain. Navigate to the nameservers
You will see the link:- dns1.domainregistrar.com
dns2.domainregistrar.com
Paste the above links at the place of below links.
They need the IP address (and possibly instructions on how to configure their DNS servers (which means a variety of different sets of instructions for different servers and control panels)).
You need the domain name.
When you register a domain with, let's say GoDaddy, and use their nameserver your domains points to a default holding page.
I run my own nameserver and when I register new domains I point my domains to my own DNS.
How do I set up a holding page so that all newly registered domains point to a default holding page.
Any pointers will be helpful.
Tx
I believe what you are asking is that you want to be able to purchase a domain, update it's nameservers to point to your DNS server and then have a default webpage "holding page" for them?
You can do this, but you will need to configure DNS. DNS servers, by default, do not give out answers that they do not know the answer to. There is a mechanism called dns hijacking, but it is very frowned upon. So lets assume that for every newly purchased domain you do configure DNS. To create the "holding page" simply point your default records (domain, www.domain, etc). to a web server's ip address.
On the web server do not use virtual hosts. A virtual host will give a specific web folder to a request with a given host header. This means that if you request foo.com you will get the foo.com folder. If you request bar.com you will get bar.com folder, etc. If you do not configure your webserver for virtualhosts then the web server will simply return the default web folder.
Suppose I have a domain test.com in the bluehost server.
Now I want to purchase a new hosting plan in dreamhost.
While purchasing the plan, I want to have domain name for new server as server2.test.com or test.com/server2.
What will I need to do for this?
You need to log into the dns manager for your account and configure a CNAME or DNAME entry that points server2.test.com to the ip address (or domain name) for your server at dreamhost. I use godaddy.com for my domain names and it's very easy there.
A CNAME is like a symbolic link or alias for dns.
For more information, see:
http://en.wikipedia.org/wiki/Cname