A CNAME record or Canonical Name record is a type of resource record in the Domain Name System (DNS) that specifies that the domain name is an alias of another, canonical domain name.

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Find CNAME records for a domain without knowing the alias? [duplicate]

I am looking for a way to search against a domain using either nslookup or dig to retrieve any and all CNAME records that may be in zone files, without having to know what the alias name is. For ...
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2answers
145 views

Sender address rejected: Domain not found - after Route 53 (Amazon AWS) changes

We had been getting these messages when customers try sending us emails. This is an automatically generated Delivery Status Notification THIS IS A WARNING MESSAGE ONLY. YOU DO NOT NEED ...
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1answer
29 views

Host a directory on a different server/domain

I own a domain with a Apache server running Wordpress (example.com), whose configuration I can probably tweak (if I can propose a good solution). I have a GitHub Pages hosting (example.github.io), ...
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2answers
129 views

Best way to point client's domain to my server

I am creating a landing page creation and hosting service. My clients will be able to link their domain to their account. I am using AWS and Route 53. I'm considering two potential systems: Having ...
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1answer
26 views

nslookup shows record has updated, but it hasn't for any of my devices

I had a record store.example.com which was set up as URL Redirect to foo.bar.com. 14 hours ago, I changed this record to a CNAME record to point to qux.bar.com. Now, nslookup shows that the record ...
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2answers
28 views

CNAMEing a SRV domain?

I have two domain names: example.com and example2.com. example.com has a few SRV records to handle specific services, as well as an A record for a website. I would like example2.com to have a CNAME to ...
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1answer
73 views

A record or cname

I have a server (Ubuntu + Apache) where we host an app where clients can create their own subdomains - i.e. basically wildcard subdomains. We have a client that wants to point their own domain (www....
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1answer
31 views

Replacing host with another at runtime using same FQDN [closed]

I have host h1 running a few services. It registers with a central server and the server requires its FQDN and IP. I can specify any FQDN here. At run time, if h1 were to be replaced with another host ...
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297 views

Cloudflare integration with Azure websites

On cloudflare, I have given below details for example.com A record pointing to Azure IP www CNAME record to example.azurewebsites.net Cloudflare routing is working for example.com and www.example....
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3answers
308 views

Wildcard CNAME, normal MX record: Risk of unintended mail routing or hijack?

Our domain has the following DNS records: *.example.com IN CNAME foo.org example.com IN A x.x.x.x example.com IN TXT "v=spf1 mx -all" example.com IN ...
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1answer
555 views

Some visitors cannot access my website

I am receiving some reports from different clients in Spain, US and France that they cannot access my website, https://www.ultreyatours.com. They get a ERR_NAME_NOT_RESOLVED error saying the server ...
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1answer
37 views

Changing DNS records when Moving a site

I'm building a new Magento website on a Amazon ec2 instance and will need to point domain of their old OSCommerce site to the new ec2 instance's elastic IP address. Normally I would have though this ...
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1answer
53 views

Is worrying about too many CNAMEs a micro optimization?

We have a whitelabel platform and I'm thinking about making one of my 'lower' domain names an A record instead of a CNAME, because I'm worried about too many cname redirects. The whole stack would be ...
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2answers
178 views

Does a client cache the IP of a CNAME DNS request or the other domain?

I am contemplating using two different DNS hosts and am curious as to how a client system would cache the CNAME record. The reason I am going this route is that a primary domain that I would like to ...
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2answers
113 views

How to redirect one domain to the other with SSL?

I have two domains (example.com and example.co.uk). The .com one is the "head" and has servers behind him. What I want to do is redirect all traffic from the .co.uk to the .com domain. I looked at ...
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1answer
50 views

can we create CNAME and subdomain with same name? [closed]

I need to create CNAME alias for link redirection, and need to create sub-domain for creating email.
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1answer
59 views

Redirect domain and all the subdomains to a certain sub domain

I am building a site for the alumni association of my school. I have bought a domain myschool.com from GoDaddy. In GoDaddy, I have customised DigitalOcean as name servers. I would like to customise ...
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2answers
3k views

DNS for restricting youtube content

Google sent out an email to Admins stating that they were no longer supporting YouTube for Schools. Instead, they say, if we want restricted content we should: Configure Domain Name System (DNS) ...
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2answers
112 views

How to configure Zone File to point a subdomain to another IP

I'm trying to configure a subdomain for a staging machine we have, to no avail. I'm no expert at all in Zone Files and configuration management, so please be patient if something I say sounds weird or ...
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2answers
105 views

how to have domain without www and MX records work together? [closed]

I think i have a common problem but wasn't able to find much resources for answering it. We have a domain and it works when we resolve it as www.domain.com, i have also setup a MX record pointing @ to ...
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1answer
146 views

HSTS header causes problems for CNAME records?

For a couple of years I have SSL on my personal domain: https://juriansluiman.nl. Now I was using subdomains to access my Google Apps: mail, calendar etc. All these subdomains are configured using ...
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1answer
38 views

VirtualDocumentRoot and CNAME

We have a apache setup that uses VirtualDocumentRoot. This is out vhost file <VirtualHost *:80> ServerName vsweb005.[domain].local ServerAlias *.*.*.vsweb005.[domain].local ...
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1answer
169 views

For DNS and SSL do I need a separate certificate for every (DNS RR) A record?

So our firm wants to separate out our cloud servers into separate environments, so www.foo.com, test.foo.com and dev.foo.com. [We may even want to break our subdomains into further sub-domains.] My ...
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1answer
32 views

GoDaddy: Link subdomain to subdirectory

I have a multi-tenant app on Heroku where each tenant has a portal (micro-site) that lives in a sub-directory (e.g. http://www.example.com/portals/foo-bar). My domain is hosted by GoDaddy and I want ...
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2answers
100 views

How to point multiple top domains to IP of another top domain?

Lets say I have top domain domain-X.com with DNS A record pointing it to IP 1.2.3.4 then I have domains, which I might not have control over, they belong to customers, which owns them and may ...
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1answer
57 views

Cloudfront: Pulling content from subdomain - serving it on main domain

I'm setting up CloudFront (CF) using third party hosting as the origin. What I want is to have the CF servers act as my own hosting, meaning I don't want to fetch files from the likes of cdn.domain....
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1answer
307 views

Fixing invalid DNS records for mail server with SSL certificate

Ok, so the question name is a bit weird but I wasn't quite sure how to word it. I have a machine with the hostname foo.example.com with an SSL certificate for the domain mail.example.com. I have also ...
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1answer
69 views

Safe to point www to root/naked domain on Azure?

My client would like to use the root/naked domain name of his site, rather than the www subdomain. I am not overly savvy on the fine points on DNS. Is it safe to create a CNAME record that points the ...
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1answer
73 views

CNAME one domain to another [duplicate]

I have created a CNAME for www.example.com to example.org I would like to create a CNAME for example.com to example.org Or, do I not need to do that? Our former email domain rather than ...
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1answer
44 views

Pointing www to one place, but keep subdomain here

First of all, sorry for the awful wording in the title. I will try to explain what I actually need and hopefully someone here will know if it's possible or no. Basically I want to point my domain-name....
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2answers
34 views

Can a.X.com CNAME a.Y.com

I believe similar questions have already been answered. But my knowledge on network is sooo poor that I cannot even tell the similarity. I work for X and we use Y's SaaS Application. The application ...
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2answers
163 views

CNAME interfering with MX record? [duplicate]

I have got a free domain at Freenom, which I use to host my website, and to receive email. About a month ago, I used an A record to point [Blank] and www to the A record of my webhosting. I also had ...
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1answer
266 views

Forward domain to website hosted on Azure server with a non 80 port

I have an Azure Ubuntu VM server with multiple websites. Say website A = 81, website B = 82. These endpoints are exposed and I can access the website externally using <ip address>:<port>. I ...
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2answers
135 views

DNS MX vs CNAME entries

I have recently bought a domain for setting up a website. The website is hosted on OpenShift. Since OpenShift doesn't use its own nameservers, I've edited the DNS records on the domain registrar's ...
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1answer
144 views

Is it fundamentally possible to configure a VPN with “fake” CNAME?

The goal here is to alias a real domain on the wider internet with something like a fake CNAME entry (or by any other means available). For example, suppose I want to configure the domain fake.derp ...
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2answers
135 views

cname record to rhcloud.Com not working anymore

I have a website hosted at rhcloud.com. I added 2 years ago a cname on my domain name dp-global.vn to redirect to the website (gdp-robertduy.rhcloud.com). Today it is not working anymore and the ...
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1answer
31 views

Exchange 2007 - SMTP Traffic

I've done a check of what SMTP trafic is being routed through a 2007 mail server, which we are decommisioning. It looks like all printers are using the mail server for smtp relay, would it be ...
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1answer
74 views

MX does not work, after setup CNAME [closed]

I have the following configuration in the DNS server (1-configuration): -------------------------------------------------------------------- Host name | IP address/URL | Record Type | MX ...
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1answer
111 views

DNAME Functionality Using CNAME

I have a simple name server with namecheap, however the company I host Teamspeak with redirects to have an IP with Teamspeak's default port. So the IP they give me actually looks like this instead, ...
2
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2answers
111 views

Is a CNAME sufficient for a www. record?

I have been doing a server migration, and checking that everything related to DNS is configured correctly by using IntoDNS. After doing this though, it flags up a error saying that there is no A ...
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1answer
129 views

How does “Cloud Files” from Rackspace know about my CNAME record?

TLDR: when I make this DNS record: whatever.mydomain.com. IN CNAME biglongjibberstring.r89.cf2.rackcdn.com. How does Rackspace know that this random host name I've chosen should go to my Cloud ...
0
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3answers
56 views

Am I correct that I still need vhost records for users pointing a CNAME record at my application?

A user gets a subdomain in my application, customer.myapp.com. Since users will want to use their own custom domain I'll expect them to setup a CNAME record pointing customer.com to customer.myapp.com....
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1answer
394 views

CNAME in Route 53 - Redirect www to non-www not working

I'm hosting web application on AWS with Nginx 1.6.3 and django 1.7.6 I'd like to redirect www.mydomain.com to mydomain.com through Route 53 In other words, showing mydomain.com/foo on address bar ...
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votes
1answer
207 views

CNAME and redirects [duplicate]

Many thanks for the free service on OpenShift. I am using Gandi for my domain - www.something.io (₁), something.io (₂). I am trying to achieve the following: Have domains ₁ and ₂, redirect to nodejs-...
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1answer
103 views

SSL certificate for CNAME [closed]

We have added CNAME for AWS Amazon S3 domain. Like below test.domain.com IN CNAME d5f29cy3a2ai3ip.cloudfront.net. We already have the SSL certificate for the domain "www.domain.com". But don't have ...
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1answer
70 views

Azure VM CNAME Returns HTTP 502

I have a Virtual Machine in Azure with a Cloud Service VIP. I have opened up an HTTPS endpoint. If I alter my hosts file to point to the VIP, I can reach my IIS site without any trouble. So far so ...
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1answer
44 views

With anycast DNS, is it the IP or the FQDN that is doing it?

i am somewhat new to anycast and i want to know if it works on the IP or the FQDN. The reason i ask is, i have a anycastDNS account with a provider. And i would like to use my own domain name to make ...
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1answer
52 views

How to set up a CNAME DNS record that will be corresponding to an external website (using Amazon AWS) [closed]

I created an instance of Ubuntu on EC2 and added the DNSs from goddady. I have a page which I want to create an "Alias CNAME" to it. So when entering dashboard.example.com - instead of having this ...
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votes
1answer
40 views

CNAME changes mails recipient address [closed]

we have a problem when using mx and cname records. The reason we are using a cname record is that our virtual machines are hosted on Windows Azure and so they've dynamic ips. We have the following ...
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3answers
526 views

Is there a way to delete an Azure cloud service (web role) and leave a DNS CName record in it's place?

We currently have two cloud services (web roles) running in Azure. They correspond to the version 1 release of our product and the version 2 release. The dns names that got assigned by Azure are ...