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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179 views

Subdomains using CNAMEs, what record types are valid?

I know that if I have a website hosted on one sub-domain, I can create an alias sub-domain using CNAME records with the following setup: subdomain.primary.com A 50.50.50.50 subdomain.vanity.com ...
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0answers
36 views

Subdomain redirect and masking with DNS records only (cPanel)

I know this works as I've seen it few times. I'm just unable to make it work, altough I've been trying for last 4-5 days. So here is what I'm trying to achieve. On this sub-domain: - ...
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1answer
233 views

How to setup an alias in IIS?

I'm a SharePoint developer, so please, bear with me here and I'll provide more information as needed since I'm not sure what I need to specify here! I'm trying to setup an alias in IIS. I have a ...
0
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1answer
57 views

Fun this TTLs and many records in PDNS

I got very strange issue for me. I have powerdns server with potentially thousands of cname records. This records inserted to my DNS via mysql queries from network http service. This is a way how I ...
0
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1answer
362 views

404 - File or directory not found with Azure/GoDaddy

I'm moving my web host from GoDaddy to Azure, and I'm getting the error above. These are the steps I followed: 1) Made my azure website the paid (yet shared) version 2) Went to GoDaddy and changed ...
0
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1answer
248 views

How to point subdomain to another subdomain using afraid.org and CloudFlare

So I have one subdomain from afraid.org (let's call it sub.afraid.org) and one domain registered somewhere (sub.domain.com) using CloudFlare DNS with it. What I want to do is point sub.afraid.org to ...
-3
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2answers
112 views

pointing different records to a CNAME record

I am trying to figure out the following and want to know "why" this is or is not possible. 1) May an MX record “point to” a CNAME record? 2) May a CNAME record “point to” a CNAME record? 3) May an ...
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3answers
71 views

How to change domain's A record without disabling incoming mail traffic for a while?

I have situation where my domain's A record is pointed to certain IP address, which I need to change, but MX record have destination - to my domain name! How to change A record and to avoid mail ...
4
votes
1answer
202 views

Amazon S3 appears to be blocking cloudflare IP addresses. How do I fix it?

I have static content that is being served by Cloudflare. Cloudflare points to Amazon S3 to pick up the static content and serves it via a CNAME (cdn.mydomain.com). The bucket is setup properly and ...
2
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1answer
193 views

BIND and SERVFAIL

I know that this is a little outside the scope of this website, but I am trying to set up a test DNS server, and it absolutely refuses to resolve the local domains. I've tried following the advice of ...
0
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1answer
32 views

Possible to direct naked domain to external IP

So I found this post: configure Bind to have a custom domain on tumblr and I was trying to ask a related question: Would it be possible to set up an A record pointing traffic to domain.com to ...
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0answers
139 views

Hi is there any way to point subdomain & sudirectory to another hosting

I have a specific problem, I have a domain -- example domain.com & I have a subdomain -- e.g -- > subdomain.domain.com My domain.com has a dedciated IP & in a subfolder of it I have ...
2
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1answer
75 views

Performance penalty when using CNAME

We are using the current CNAME record for a server, i.e. foo.example.com => CNAME => server1.example.com server1.example.com => CNAME => ec2-34-142-138-31.compute-1.amazonaws.com ...
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0answers
116 views

mod_rewrite after a cname

I have the domain foo.bar.example.com. foo is one of many sub-subdomains under bar.example.com. I need to capture and redirect all links at foo.bar.example.com that begin with "/special/". ...
2
votes
1answer
207 views

Avoiding downtime while switching CNAMEs with AWS's Route53

I'm trying to make a seamless transition from Heroku to AWS. Currently, DNS is being handled by Route53, with a CNAME record sending traffic to the heroku SSL subdomain. I need to change this to an A ...
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votes
1answer
122 views

How to add CNAME in tinydns for reset gmail password?

I want to reset my gmail password ( I added my domain on google app ). In this link http://support.google.com/a/bin/answer.py?hl=en&answer=112038 Google says too add Reset the administrator ...
0
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2answers
391 views

My registrar is OVH, my hosting is AlwaysData, how do I configure the DNS?

I own at OVH: xxx.mydomain.com I want it as an alias for: yyy.alwaysdata.net How do I proceed? In the end, I want all requests to : xxx.mydomain.com/whatever returning the same as: ...
-2
votes
2answers
68 views

is it possible to Point a cname record to a wilcard subdomain [closed]

*.mydomain.com is pointing to this directory /home/mydirectory so if I enter : foo.mydomain.com or bar.mydomain.com it points to /home/mydirectory in another domaine I've set a CNAME as : ...
0
votes
1answer
76 views

DNS setup: CNAME vs wildcard for SaaS

So I'm new to actually caring about how DNS's actually work, as opposed to plugging stuff in and troubleshooting. I have an application that will display different information depending on what domain ...
0
votes
2answers
157 views

CNAME: cross-site redirections toward subdomains

Good day everyone, I saw many documentation about cname, but it couldn't help defining what was wrong with my approach. I am stuck on a CNAME problem. I would welcome your advice and tips there. ...
1
vote
1answer
1k views

What's the difference between `dig` and `host` when querying a specific name-server?

I was using this command to verify if I'd set things up correctly with a DNS provider: host hostname.example.com ns1.example-nameserver.com As far as I can tell, this asks ...
0
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1answer
70 views

Connecting domain name to website deployed at cloud

I have a domain name lovedmusic.com. I have signed up for jelastic - a cloud web hosting service. Right now I m utilizing my trail period. I have created a environment with app id ...
0
votes
1answer
98 views

Moving hosting from godaddy to heroku - need a CNAME for myapp.herokuapp.com, should I remove the A record? [duplicate]

I've moved my web site hosting from godaddy to heroku. In DNS, I know I need a CNAME record for myapp.herokuapp.com; but what do I do with the A record? Seems like I need that for smtp, as the smtp ...
0
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2answers
235 views

HTTPS CNAME setup for CDN

Background I need to host some files on our CDN (edgecast) which will be available over HTTPS. I would usually accomplish this by using the provided CDN url, i.e. https://wav22.233d.edgecast.com/.... ...
1
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2answers
198 views

CNAME domain to heroku app

I've got a domain hosted (DNS only) on Dreamhost. I've got www.mydomain.com CNAME'd to my web app on heroku, I would also like to CNAME just the domain (mydomain.com). Ofcourse, you can only CNAME ...
0
votes
1answer
223 views

How to add a CNAME for localhost in BIND 9?

I am doing web development and host the local versions of sites on my machine. I have Linux Slackware 14.0 with BIND 9.9.1-P3. In my named.conf I have this: zone "localhost" IN { type master; ...
2
votes
2answers
2k views

Which FQDN hostname to use for SSL certificate signing request- when using a CNAME record?

We have a subdomain (https://portal.company.com) that is the alias for a different hostname (defined in a CNAME record). This dynamic DNS hostname (https://portal.dlinkddns.com) resolves to the ...
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votes
1answer
32 views

Moving WP blog to Tumblr but still use old WP server's images? [closed]

I've successfully moved my old WP blog that I hosted on my server to a Tumblr blog by using the CNAME to point to it. However, all of the Tumblr blog's photos are still hosted on my old WP blog, so ...
0
votes
1answer
102 views

Adding cname without putting the subdomain

I want to point www.example.com or example.com to abc.example2.com. In my cname zone settings for example.com, I have added a cname as follows: name: www.example.com type: cname value: ...
1
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1answer
54 views

How can I get my MyDomain-registered domain to point to a new URL?

Sometime before, MyDomain allows CNAMEing of second-level domains, and I naively used that. Now I thought I had specified everything using an A record, and last night I changed the entry for ...
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2answers
507 views

How to set up CNAME to point to Azure

Here's the story. I have an application on azure. I would like to set up an A-record. My main domain is myhost.dk and my azure adress is myhost.azurewebsites.net. The Azure guide says that I have to ...
-2
votes
1answer
111 views

DNS record for thousand domains [closed]

I'm working at a small webhosting company. I have to set up the autoconfig (Thunderbird) and autodicover (Outlook) files, so that user (who have their own domain names, like www.userxyz.com) could set ...
1
vote
1answer
672 views

Sendmail issue with IPv6

I have an email server configured with multiple-instance of sendmail running each on different IPv4 and IPv6 addresses. Everything is running smooth until a point where for some domains/emails ...
0
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5answers
365 views

Many domains/sites hosted on same server, CNAME alternatives to avoid writing same IP in DNS?

I have many sites (each one with its own domain) all on the same cPanel hosted server (let's say server IP is 1.1.1.1 and server main domain is myserver.com) All these domains use third party DNS ...
2
votes
2answers
2k views

Will kerberos work with CNAMEs if I have the SPN created for the A record as well?

We are currently setting up a SQL 2012 environment and it will be used for storing data that will be accessed by SSRS in sharepoint integrated mode. We will be using Kerberos for authentication. ...
2
votes
3answers
726 views

CNAME domain to another domain, but keep different SPF records for the two?

SCENARIO: mydomain.com is the main website, we do send/receive mail using address@mydomain.com. mydomain.com DNS has got an SPF record "v=spf1 a mx ~all" mydomain.net is just an alias for ...
4
votes
2answers
184 views

Will an MX record “follow” a CNAME record?

I have a situation I'm trying to work through that I'm not entirely sure how to solve. Here's the situation: I have a domain, let's say sub.otherdomain.com, that I want to set up e-mail addresses ...
0
votes
1answer
60 views

Domain not resolving with CNAME

I'm really struggling to get a website up and running for the NHS. Apologies in advance as it's the first time I've had to setup a domain without using NS records so I'm a tad out of my depth. I ...
1
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0answers
136 views

Windows Server 2008 DNS server CNAME resolution and TTLs

We have a Windows 2008 SP2 DNS server configured to use root hints. We have a certain MX record lookup that it periodically fails to resolve for our client machines. The lookup is for the MX record ...
-2
votes
2answers
61 views

Multiple domains resolve to one domain [closed]

I have the following scenario: domain1.com domain2.com domain3.com domain4.com Whenever someone types www.domain1.com or www.domain2.com or www.domain3.com she should be redirected to ...
-1
votes
3answers
177 views

Why does Google use A record for www instead of CNAME? [closed]

Is A significantly faster than CNAME in this case? $ dig www.google.com ; <<>> DiG 9.8.1-P1 <<>> www.google.com ;; global options: +cmd ;; Got answer: ;; ...
1
vote
1answer
119 views

CNAME Setup on Different Server

I have domain and hosting at GoDaddy.com with domain earthline.info. But my email is located at CBN.net.id. I have setup the mx with this configuration: But for CNAME, i'm not sure what i must ...
0
votes
1answer
139 views

Heroku apex record setup

I have a heroku application and I want to configure my domain to redirect the apex record to www.. Are there any free services I could use for this purpose? I mean other than rolling my own solution ...
0
votes
1answer
94 views

Regarding Cnames, A Records (Internal Network Forwarding to External Domain)

It is not possible to do a redirect from internal DNS to external domain correct? We have a subdomain test.internaldomain.com and internally we want it to point to external url, including full path: ...
0
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0answers
54 views

What are the drawbacks to CNAMEing the DNS server that appears in Whois? [duplicate]

Possible Duplicate: In DNS can an IN NS point to a CNAME? I've outsourced my DNS to a 3rd party and have many DNS zones to manage (or ask others to type in). Since the hostname that the ...
0
votes
1answer
73 views

Apache + Tumblr Custom Domain

Have searcehed high and low for answer to this, but haven't found one. Problem: I want to use a subdomain (blog.archivism.ca) of my domain (archivism.ca) as my tumblr custom domain. I created the ...
0
votes
2answers
1k views

Email forwarding and CNAME records

I have a Heroku app and a domain that maps to it. The host records are set up as follows: Now I want email to admin@mydomain.com to be forwarded to my gmail account. I was told by the support for my ...
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votes
3answers
155 views

CNAME redirects behaving differently for two domains

I have two domains - oliverhaslam.com and ojhaslam.co.uk. Both are registered with the same company, and both have A records pointing to my server's IP address. Both also have CNAME records pointing ...
2
votes
2answers
304 views

Is subdomain (CNAME) slower than using original address?

I am no expert at this at all, so I am wandering is there a difference in speed, etc. when using some subdomain (CNAME record) over the original address? For example, when using CDN like Amazon S3. ...
0
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2answers
156 views

Cname to multi-level heroku subdomain

I'm trying to create a cname that points from my custom domain (s.mydomain.com) to a multilevel subdomain hosted on heroku (me.myapp.herokuapp.com). I've created the Cname s.mydomain.com with the ...