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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Can a CNAME record not include www? [duplicate]

My registrar tell me that I can't have a CNAME record that doesn't start with www. Is it true? So I am using amazon ec2 with load balancing. the loadbalancer has a convoluted DNS name, and ...
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27 views

GoDaddy Domain with Heroku App

I currently have my heroku app set up so when a user goes to my domain via app.com it just forwards to app.herokuapp.com. Is there a way to do this without the forwarding to the .herokuapp domain and ...
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1answer
125 views

Can a CNAME record point to a domain handled by another DNS server?

Assume a CNAME record pointing to a domain name that is handled by a different server than the one the CNAME record resides on. For example domain aaaaaaaa.com has authoritative name server dns.aisp....
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1answer
45 views

Remove CNAME after Azure has verified the domain

Once I have verified my domain in Azure with the CNAME record (with awverify), can I remove the CNAME record (awverify) safely from my DNS server without breaking anything?
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1answer
47 views

Virtual hosts dymanic accept all incoming domain requests

I have the system with Apace. In httpd-vhosts.conf, I configured to accept subdomains, like below: <virtualhost *:80> ServerName www.mydomainname.com ServerAlias mydomainname.com *....
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1answer
4k views

Pageok given by puppet instead of subdomain files hosted on godaddy

I'm managing the e-commerce website for a retail store in Los Angeles, and use a subdomain hosted on GoDaddy as a fileserver to augment our Online Webstore CMS, which won't take large files (and ...
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1answer
20 views

two CNAME records pointing to the same url [closed]

Can I have two CNAME records that point to the same url? Example: www CNAME to my.website.com and shop CNAME to my.website.com Will they both work at the same time?
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1answer
80 views

How to add a CNAME record?

On PowerDNS on a Raspberry, I have recursor pointing to Google (8.8.8.8) and only one zone file and it contains: $ORIGIN abc.co.uk. $TTL 1h @ IN SOA ns.abc.co.uk. hostmaster.abc.co.uk. ( 1; serial ...
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0answers
42 views

Redirecting multiple subdomains to a static site on Google Cloud Storage with Cloud DNS

I am trying to migrate my website from a wordpress site to a static site. I have added all my static assets to a bucket on google cloud storage and successfully pointed static.mildfuzz.com to that ...
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2answers
54 views

Top level domain with dynamic IP

I have a web server at home. I bought a top level domain mydomain.com and I want it to point to my server. I also have a duckdns domain mydomain.duckdns.org. They say in their faq: Q: I want to ...
61
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8answers
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Is a wildcard CNAME DNS record valid?

I know it's valid to have a DNS A record that's a wildcard (e.g. *.mysite.com). Is it possible/valid/advised to have a wildcard CNAME record?
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1answer
20 views

Dangling CNAME Record Issue

I have been trying to setup the DKIM CNAME Signing for one of my sub domains with Amazon SES and for some reason the CNAME is behaving oddly: Eg. The following: dig @4.2.2.4 ...
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2answers
772 views

Best CNAME TTL strategy for fallover switching

I've recently been thinking about the TTL of our DNS. We have A records for our servers and then CNAME records for the customer facing names. The www.example.com CNAME points to server-01.example.com ...
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3answers
55 views

Can CNAME update, bring website down?

We updated CNAME on a production website, after updating it website showed "server's DNS address could not be found" message for about 8 mins. Could this be because of the change in CNAME?
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0answers
47 views

Is it valid to have SPF records for a domain that is a CNAME?

I read that it's not valid to have a CNAME for a domain that also has its own SPF, because all records are taken from the domain that the CNAME points to. However, this doesn't seem to be what ...
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2answers
52 views

Having a lot of difficulty using CNAME and A records with Elastic Beanstalk to redirect non-www to www

I have my website up with Elastic Beanstalk (as a VirtualHost): http://apptic.us-east-1.elasticbeanstalk.com/apptic/ I also have my domain at Namecheap: apptic.me I've installed an SSL certificate ...
42
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1answer
12k views

Why can't a CNAME record be used at the apex (aka root) of a domain?

This is a Canonical Question about CNAMEs at the apices (or roots) of zones It's relatively common knowledge that CNAME records at the apex of a domain are a taboo practice. Example: example.com. ...
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2answers
34 views

Domain name is not displayed in URL after redirection

I have a domain on GoDaddy and have hosted a Magento project on it. I now purchased CloudWay and have migrated on their server. My issue is with URL, I created a subDomain live.******.com and set ...
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0answers
5 views

CNAME_lookup_failed_temporarily.(4.4.3)/

I have a qmail server on CentOS release 6.6 (Final). everything works fine except when I try to send email to a server which have multiple MX records. I applied qmail-1.03 patch still not working. ...
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2answers
52 views

CNAME to S3 returns the S3 URL

I've setup a static website on S3 under a www.mydomain.com bucket. I also created a CNAME record for it in Namecheap looking like this: Type: CNAME Record Host: www Value: www.mydomain.com.s3-...
9
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3answers
1k views

Do I need a separate SSL certificate for a DNS redirect?

I am implementing a multi-tenant application where my application hosts and serves technical documentation for a tenant's product. Now, the approach that I was considering was - I host the ...
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1answer
44 views

Creating DNS CNAME or MX aliases

How can I create a CNAME or an MX record alias, for example, I need smtp.mydomain.com to resolve to smtp.yandex.com so that on my email client I should enter smtp.mydomain.com instead of smtp.yandex....
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3answers
2k views

Link CName record to another domain, but without subdomain [duplicate]

Is it possible to link "mydomain.com" to "app.iriscouch.com" using a CNAME record? My service provider app says a CNAME record must have a subdomain. And A record must link to an IP.
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2answers
59 views

DNS name forwarding basic setup issue [closed]

I have provisioned a VPS host server and have a running web app on it. I purchased a domain name on namesilo, now I want to direct traffic to my site not namesilo. In namesilo I have the following ...
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1answer
47 views

using CNAME to point to a sub-domain hosted on secondary host (shared host) [closed]

Due to my question being down voted I am trying to rewrite to make it useful for others and show that I have done research. I have also added "shared host" to the title to make it easier to find for ...
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2answers
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SRV record points to CNAME alias?

In the course of some work responsibilities I need to bone up on SRV records, and I'm trying to reconcile a Wikipedia statement with what I'm seeing in DNS digs. According to Wikipedia's SRV record ...
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1answer
81 views

How to do “dynamic apex” right in DNS/BIND?

I want to retain dynamic control of the apex, but not break standard handling of other RRs (NS, MX). Context A domain name (exampleA.net) is controlled by the domain owner (via the domain ...
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2answers
59 views

How to correctly setup a CNAME / A Record when pointing to an Azure VM?

I have a web app hosted in Azure, which gives me a "custom" domain that is awesomeapp.cloudapp.net, and in the settings I can see the IP address: 123.456.789 We have a domain www.awesomeapp.com that ...
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2answers
101 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 ...
2
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1answer
58 views

Use CNAME for SMTP Server

I am working on a project that involves use of a transactional email service (like sendgrid). My question is can we create a CNAME in our domain DNS (i.e. smtp.example.com or client1.example.com) that ...
20
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1answer
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CNAME record/alias in windows hosts file?

Is it possible to enter some sort of CNAME record or alias in the windows hosts file (C:\Windows\System32\drivers\etc\hosts)? Basically I want to forward all requests made to host A to host B, ...
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2answers
60 views

MX Records and A Records Updated But Email Addresses Can Still Send Email [closed]

I have updated the MX Records, the A records, the Z records and the cname for a particular domain but the emails registered with the hosting provider can still send email. The changes have definitely ...
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2answers
43 views

Getting 404 error with a new CNAME RR

Our server is authoritative for "example.com". If someone puts in example.com in a web browser, we need it to redirect to domain2.com. Since you cant have a CNAME RR for the root zone name, I tried to ...
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2answers
63 views

Why has DNS Stopped Working for new CNAME and TXT records

None of the new CNAME and TXT records I add (through VestaCP) are working. My DNS server has been working fine. Got about 30 domains on it, used to be able to create these records and a few hours ...
9
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2answers
8k views

Not receiving mails from some senders due to DNS config

I have noticed a peculiar behavior of my google apps domain. Most of the mails come through as you would expect, but over a period of time I have come to the conclusion that mails from certain senders ...
0
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1answer
93 views

Pointing Custom Domain to Server on Nginx

I have my server up and running on an Azure Ubuntu 14.04 virtual machine. It is working great. Now I want to point my custom domain to it so that users can visit my website by going to www.example.com ...
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1answer
1k views

Setting alias for DynDNS domain

I've created DynDNS domain for testing my local sites, and i'm having trouble with pointing to root domain. From my registrar (GoDaddy) I've created a CNAME for www to point my example.dyndns.com so ...
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0answers
32 views

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 ...
-1
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2answers
63 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 ...
0
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0answers
51 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 ...
1
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1answer
49 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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votes
1answer
26 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
votes
1answer
70 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 ...
0
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0answers
16 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 ...
0
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1answer
31 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 ...
0
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4answers
99 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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votes
1answer
56 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 ...
14
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5answers
56k views

How to redirect domain A to domain B using A-Records and CNAME records only

I have 2 domains hosted with different hosts. I need to redirect Domain A to Domain B. Unfortunately I can't do a 301 redirect from Host A, but can only modify/add DNS entries (A-Records and CNAMEs) ...
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2answers
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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
84 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 ...