cname

How to redirect siteA to siteB with A or CNAME records

I have 2 hosts and I would like to point a subdomain on host one to a subdomain on host two: subdomain.hostone.com --> subdomain.hosttwo.com I added a CNAME record to host one that points to subdomain.hosttwo.com but all I get is a '400 Bad Request' Error. Can anyone see what I'm doing wrong? ...

CNAME on GoDaddy

I have a domain on godaddy and want to point it to a specific place on another domain. So domain1.com points to domain2.com/page2.html Godaddy seems to make me want to just point to domain2.com, which houses another landing page. Anyone know how to do this? I don't want the user to know they are on domain2.com/page2.html, so a simple...

How do I inplement Sub-Domains and DNS CNAMES in CakePHP?

I have been using the below code in my Bootstrap.php file in CakePHP to detect subdomains, which appears to work really well. preg_match('/^(?:www\.)?(?:(.+)\.)?(.+\..+)$/i', env('HTTP_HOST'), $matches); define('SUBDOMAIN', empty($matches[1]) ? false : $matches[1]); define('HOST', $matches[2]); define('BASE_URL', 'http://' . HOST); ...

DNS Gurus: How to forward www.domain.com to domain.com using DNS only?

I am running a blog at posterous.com, and they can host my domain name if I create an A record to their IP in my domain registrar's custom DNS tool. The problem is that I want my domain to ALWAYS read domain.com, so I want to have my DNS remap any requests to www.domain.com to domain.com, and I can't use .htaccess or PHP or other server...

Subdomain mapping to another external subdomain

I'm trying to map help.domain1.com to help.domain2.com. I've seen this on UserVoice. They let you map something.yourdomain.com to something.uservoice.com. On domain1.com I've set up a CNAME to help.domain2.com. It works fine but when I open help.domain1.com I get the content of domain2.com instead of help.domain2.com. After some exper...

Is Root domain CNAME to other domain allowed by DNS RFC?

We are hosting the page of many of our customers. We want to be able to provide our customers with a subdomain of our own domain like customerpages.ourdomain.com so they can create a CNAME to this subdomain. www.customer1.com CNAME customerpages.ourdomain.com. {This will work just fine.} But the situation is I don't know if all our ...

How to overcome root domain CNAME restrictions?

We are hosting many web applications for our customers. As is obvious they want to use their own domains to refer to those applications, usually they want that any user that either type http://www.customer1.com or http://customer1.com goes to their web application. The situation we are facing is that we need to have the flexibility to ...

using full domains in a multi-site application set up

hi, i'm building a multi-site application where a client must be able to use his own domain (as oppose to just a subdomain). i like to know the different ways to go about it, and what configuration is needed on both end when/if the client wishes to handle email hosting externally. any reference to lxadmin/hypervm would be helpful too. t...

Will re-direction from home page affect search engine crawling?

There is a new domain, let's say va.in. Content is being prepared for the sub-domain a.va.in The idea is that va.in/index could contain pointers to various sections sometime in future (e.g. b.va.in, c.va.in etc.). As of now, it does not make sense to have such a page as there is just one section i.e. a.va.in If I decide to re-direct ...

should wildcards belong to CNAME or A NAME?

should wildcards belong to CNAME or A NAME? Both looks the same to me, and googling gives me a inconclusive result. Any rational and implications behind for choosing one over the other? (underlying DNS server software? web hosting software? speed?) ...

Supporting CNAME aliases

Im having trouble finding resources on what is involved in supporting CNAME aliases. If I have user accounts a yoursubdomain.myapp.com I would like users to be able to create a CNAME record that points yourdomain.com to this. What is involved on my side to get this to work? I understand users will have to add the record to there DNS. Do ...

How to give cname forward support to saas software

I have a webapp where users can create their account and use the service. Now I want to give them a custom domain facility where app.customer1web.com points_to myservice.com with userid customer1 once he sets up the custom domain, for the world it looks like my service is running on his machine. Many services like blogger, wp.c...

How do i get foo.somedomain.com get handled by myapp.appspot.com/foo on appengine

Hi, Here is what I'd like to achieve http://foo.somedomain.com gets handled by http://myapp.appspot.com/foo (google appengine app myapp) and the underlying url is masked. Note the following: somedomain.com is a third party domain that would like to add foo.somedomain.com mydomain.com would be CNAME'd to myapp.appspot.com mydomain...

Deleting From Amazon S3

Hi, I have a (hopefully easy) question regarding Amazon S3 and Cloudfront. I'm using S3Fox, and I have a CNAME setup to point to my bucket: http://mycname.mydomain.com I've noticed that when I open/access that file via a distribution URL (my CNAME), and then, go to delete the file from the bucket later, the distribution URL still wor...

What are potential issues with allowing clients to have CNAME / DNS Masking support in a web application?

Our company develops a web application that other companies can license. Typically, our application runs on: www.company.example And a client's version of the application is run on: client.company.example Usually, a client runs their own site at: www.client.example Sometimes, clients request to have their version of the application...

DNS CNAME type Records have incorrect RDLENGTH fields?

I've been using RFC 1035.4.1.3 as a reference for DNS RR format: http://www.freesoft.org/CIE/RFC/1035/42.htm The RFC says that RDLENGTH is "an unsigned 16 bit integer that specifies the length in octets of the RDATA field" but in the datagrams I'm getting RDLENGTH is sometimes 2 less than it should be. I've checked with wireshark to ens...

URL CNAME Limitation?

We have a domain CNAME pointing to our Amazon load balancer, however the URL's that Amazon provides are longer than 32 characters and one of our clients DNS providers limits CNAME's to 32 characters. Aside from moving to a diff DNS, any suggestions to get around this? HTTP redirect not an option for the URL either.... Cheers, Chad ...

Issue Logging in to Azure deployed web app using while using CNAME redirect.

Hello, I am running into an issue with logging into an ASP.NET MVC web site using Forms Authentication while running on Azure using a CNAME to redirect my domain to the url of the Azure application. For clarity on how I am setup the following blog post explains how I am setup. http://blog.smarx.com/posts/custom-domain-names-in-windows-...

CNAME for Omntiure

What are some reasons why sites like LLNW create a CNAME record for Omniture requests (e.g. metrics.limelightnetworks.com instead of limelightnetworks.122.2o7.net)? I've found a post that seems to suggest that it's intended to circumvent 3rd-party-cookie settings. Are there any other pros/cons to this approach? From a performance persp...

How to determinate a CNAME on Windows? via Poweshell or others

I want to know if exists a scriplet to know the local SERVER CNAME, or via CMD, regedit, etc ...