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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SRV record with cname

I bought an hosted service which, mainly for DDoS mitigation reasons, often rotates its IPs. So myservice.remoteserver.xxx:666 sometimes goes either to 111.111.111.111:666 or 222.222.222.222:666 I ...
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Point subdomain to localhost server? Nameservers pointed elsewhere

My client has their nameservers pointed to another server (Server A) for their current website. However, in the zone file all the IP's point to the local host server (Server B). While Server A ...
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2answers
39 views

Namecheap DNS Cname issue

I am using Namecheap default DNS, where I bought the dns name. However, I am having a issue... Typically, for AWS and Rackspace I would have: A Record: foo.com 124.22.22.1 Cname: www.example.com ...
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2answers
39 views

SSL encryption with CNAME redirect

Here is my current architecture: I have a simple site hosted in the cloud that needs to be served from my company. Thus, mysite.com has a CNAME redirect to 1234.cloud.com. I understand that the SSL ...
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36 views

How do I setup a “subdomain empty” DNS CNAME?

I am hosting a webserver with about 200 domains. The DNS records of those domains are a simple CNAME record of the form: *.domain1.com. CNAME myhostingserver.mydomain.com. *.domain2.com. CNAME ...
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1answer
42 views

Configure bind9 to forward queries as-is and to reply answers as-is, or in search of perferct forwarder

I use bind9 server (A.A.A.A) as forwarder only: queries are forwarded to other DNS server (B.B.B.B). I manually ask B.B.B.B to resolve domain and got correct result: $ dig a downloadcenter.intel.com ...
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1answer
19 views

Website shows 403 Error with www. domain [closed]

Hi I am facing a problem when I go to my website at http://example.com it works, but if I go to http://www.example.com, I get 403 Forbidden on the page. I did my research online and found a solution ...
2
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1answer
53 views

Wildcard CNAME DNS records overriding specific A DNS records on one provider

Ran into a weird issue where a wildcard CNAME record (i.e. *.example.com) was overriding specific A records (i.e. host1.example.com, host2.example.com). It only affected Verizon Wireless's ...
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13 views

www CNAME seems to override app CNAME

I'm building Rails app hosted on Heroku that lives on a subdomain app.example.com. Part of the app is an outdated site that lives in the root directory. I want to configure a CNAME for my domain to ...
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4answers
42 views

SSL certificate for CNAME redirected domain

I have a webservice which provides simple site constructor functionality with payment page. User can select purchase domain e.g. user.com, select some template and point this domain with CNAME to my ...
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1answer
30 views

Pointing client's domain to our subdomain

We have a web application online www.exampleapp.com/ running on IIS 7.5 that we have a full control of. We also provide customised (css, images, js, etc.) versions for some customers under subdomains ...
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1answer
39 views

Get request IP from dns lookup

I have been looking to find the IP from a machine that asks my DNS server for a CNAME resolution. For example: User A pings to DNS server 1 on test.myserver.com, this server has a CNAME resolution ...
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2answers
26 views

Loadbalancing a root domain redirection web server hosted in EC2 to remove SPOF

This may seem quite obscure and perhaps quite niche but bear with me. The situation is: www.domain.com points to infrastructure in EC2, specifically an ELB domain.com points to a micro instance in ...
0
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1answer
29 views

CNAME, htaccess and ERR_NAME_NOT_RESOLVED

I have the following code to make sure that api.example.com will call example.com/api.php. It works on my localhost, but not on my website. RewriteEngine On # Handle Front Controller... RewriteCond ...
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2answers
82 views

A records and CNAME records

I have a question about A records and cname records. Some info, we have our domain registered at Networksolutions.com, the domain name for example is company.com. We have two webserver and on those ...
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3answers
27 views

Can a CNAME DNS record point from subdirectory to domain name

Can a CNAME DNS record point from subdirectory address like my.domain.com/one to domain name like my.domain.com? So if the user access my.domain.com in the browser, the DNS will redirect to ...
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0answers
19 views

Fast switching CNAME

Is it possible to make CNAME's switch it's data every minute (or possibly even shorter) ? I'm currently trying to make something that changes my CNAME every minute but i have no idea if this is even ...
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1answer
25 views

Redirect traffic of a domain with lmhost or CNAME [duplicate]

Hello this is my first question and hope later I can help too. My local domain network is mycompany.net also I host on godaddy the same domain www.mycompany.net, The problem that I have is when my ...
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0answers
24 views

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
95 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
24 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
84 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
25 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
26 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
62 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 ...
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1answer
30 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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161 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 ...
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3answers
103 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 ...
5
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1answer
513 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 ...
3
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1answer
47 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 ...
2
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2answers
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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
41 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
33 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
52 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
2k 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
73 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
91 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 ...
0
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1answer
67 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 ...
0
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1answer
29 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 ...
2
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1answer
69 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 ...
0
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1answer
25 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 ...
2
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2answers
81 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 ...
0
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0answers
12 views

TLD pointing to subdomain of TLD connected to Heroku

I'm trying to point the root of of domain2.com to a subdomain of domain1.com (which is pointing to a Heroku instance). Do I need to run some kind of reverse proxy for this to work? If so, what kind of ...
0
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1answer
44 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 ...
0
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1answer
194 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 ...
0
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1answer
53 views

How to map subdomain to a domain with CNAME?

I would like to point CNAME records for www.example.com to sub.example2.com. The hosting for example2.com is a shared hosting (cPanel without Addon domain feature). So, what I did was to add a ...
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1answer
48 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 ...
0
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1answer
62 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 ...
0
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1answer
40 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 ...