Questions tagged [cname]

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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Is our mail server's reverse DNS properly configured?

The Mail Genius e-mail checker claims that our mail server Reverse DNS is not properly configured because our mail server IP does not resolve to our mail server domain. Is this perhaps because the ...
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How do the different kind of dns records actually work and can you pair them

I have a few questions about how dns works. Would I be able to connect an A record to literally any ip address I want e.g the ip of Google? I actually didn't know this and am quite astonished by this. ...
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CNAME record is not working while using cloudflare

Let's say I have a domain test1.com and test2.com. I have added the CNAME record as follows: test1.com CNAME test2.com While browsing the domain name test1.com it shows the sites of domain test2.com ...
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Spoof DNS for pre-launch web testing

I am rebuilding a site that is currently hosted at www.xyz.com. That site is currently hosted at that domain on a third-party hosting provider. My new site is hosted in AWS and is fronted by ...
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Point a subdomain to a minecraft server

I'm trying to get my minecraft server to be reachable through my domain name, as opposed to needing to connect with the IP and port. Because I want to host multiple servers, it would be ideal if I ...
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Is there any way to resolve domain to another domain with port?

we know we can use CNAME to implement: access domain then resolve to a special domain like below: domain1.com -> demo.com domain2.com -> demo.com domain3.com -> demo.com but is there any ...
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Why I get error when fit with `@` in Host?

I want to add a @ CNAME points to an alias in Godaddy. You see I write @ in Host, but it still say I was wrong.
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Use dnsmasq to test a future DNS migration

I'm planning to migrate my domain's DNS from one provider to another. ("mydomain.com" as I have to censor the real name) Technically, it's just a matter of changing the NS records before the ...
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Is there a way to manage subdomains with multiple models to be review?

In AWS, Is it possible to configure this? How could I make this happen? http://mydomain.com.br (git branch master) http://staging1.mydomain.com.br (git branch staging1) http://staging2.mydomain.com....
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Is there any difference between setting up a host by A record and by CNAME?

To create a www host, should I use A record, i.e., www.mydomain.com => ip xx.xx.xx.xx , or use both A record and CNAME, i.e, mydomain.com => ip xx.xx.xx.xx www => mydomain.com If both methods ...
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Configuring DNS to resolve to WAMP Virtual Host?

I have a website set up on a VM using WAMP. That VM is on a network with an internal domain 123.net. In DNS, I've configured a CNAME (site.123.net) to point to the VM. However, when I try site.123.net,...
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Implementation differences between NS records and CNAME records for delegating control of a subdomain

I am wanting to control the destination IP address for www.example.com (but not example.com) using DNS and exert the most control over this subdomain TTL as I can since I do not have direct control of ...
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Overriding a CNAME within a CNAME chain works on Ubuntu but not Windows

Best practices aside (not having CNAME chains), I am curious to know why this is happening. I have the following: CNAME subdomain.example.com -> CNAME other.example.com -> A 172.17.0.1 If I wanted ...
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What prevents me from setting up an A name entry for “google.ca” to whatever IP address I want?

When I pointed my GoDaddy domain name to the IP address of the GCP VM running my web server, this is all I had to do: Change GoDaddy nameservers to GCP nameservers Create A/CNAME/SOA entry in GCP DNS ...
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CNAME for main website, to load balancer?

We are wanting to use an AWS provided load balancer for our main website. The issue we are running into is that it appears to want us to refer to it by CNAME, which seems to cause problems in the ...
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Whether CNAME is transfer to NS value by domain provider?

Such as, I registered a domain example.com on GoDaddy, the below is my analysis in GoDaddy: Host Type Line Analysis @ CNAME default 23he.16cdn.com. @ NS ...
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Prevent use of CNAME record for untrusted domain

I use Route53 for DNS and want to prevent the use of a CNAME record for an untrusted domain. For example, I have three domains: master.com test1.com test2.com master.com has the A records: test1....
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Simulate a CNAME removal from DNS on local computer

My company is going to deleting a CNAME record from DNS and replacing it with a new record "\\OLDCNAME\Apps" to "\\NEWCNAME\Apps". Currently both are existing values on the network and they both ...
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Can I use the same domain name for 2 separate web servers?

Here is my problem: As a hobbyist, I have managed some webpages for other small groups. I run a mailing list for a group on a server I manage (list@myserver.com). They have an anchor page at www....
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How to check if two CNAMEs point to the same IP address?

I have two CNAMEs and want to verify if they point to the same IP. What is the best way to do it? Input file: cname1 cname2 cname3 cname4 ... Here is the code I have written: #!/bin/bash while ...
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Can I configure dnsmasq to use /etc/hosts to resolve the target of a CNAME?

Is there any way to configure dnsmasq so that when it receives a CNAME record, if the target is in /etc/hosts, it overrides whatever else the public DNS server says about that target and uses /etc/...
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CNAME configuration for same domain

I am very new to the networking and server configuration so, I apologize if my question is very silly. Basically, I have a site up and running and now I have decided to expand the site. I have a ...
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How to find what hostname a TLS client is connecting to || was: How to find the original service provider of information that is served by a CDN?

ok. first post after years of lurking. and even the title was a challenge in itself... Prerequisite: Company A is providing services via a CDN like Cloudflare, Akamai, CloudFront, ... Situation: (...
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How to receive email from another domain using cname?

For example, I have an address info@mail.example1.example. I want to send email to this address and receive it on info@test.example2.example or info@example2.example. Is it possible to do this trick ...
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Why CNAME is not working as supposed?

I have set a CNAME entry to redirect over Amazon S3 bucket, however there is something that doesnt works as supposed (by me of course) with CNAME I expect to redirect a fictional subdomain, say for ...
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3 votes
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Recursive DNS server answers with CNAME but does not return the A record

I have a recursive DNS server that forwards to my primary DNS servers in order to get a resolution. Take the example I have the below CNAME: server1.example1.com. 300 IN CNAME ...
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Forward all subdomains to main domain without changing URL?

I just bought a domain, I want to redirect all of the subdomains to the main one but without the user really "knowing", if that makes sense. I use GitHub pages for hosting. What I need is as such: ...
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Curiosity about DNS using dig command

I am analyzing the DNS section for the website imgur.com. My doubt is that when I run "dig imgur.com" dig only returns an IP address, if I run again the same command dig returns another IP address or ...
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Switch website Name Servers without or with minimal downtime?

Facts: My domain name is registered at Namecheap. My website is hosted on Netlify via an "A" & a "CNAME" record that points to them. My email MX records are Google's. The issue: Although I'm ...
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Resolve a subdomain of a CNAME

At provider 1 I have an account with the DNS record: domain.provider1.org IN NS 1.2.3.4 The resolution of foobar.domain.provider1.org is handled by my own DNS server. Now, provider 2 has ...
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Difference between CNAME and MX

I am following some instructions in pointing the email server to the domain. CName should resolve to a named server, where pop will points to a server named pop.mx***.com. Then why do I need also to ...
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How to point domain to VPS when A Records are not available

I have bought a domain and VPS from two different providers. To host this domain on VPS, I need to create A Record in domain control panel that points to VPS IP (this is what I was told by VPS ...
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Azure "No CNAME records were found. Please add a CNAME record pointing to "

I am trying to create a new site with a given test.*.net subdomain for a client. I created the web app in Azure and gave them the IP address that the azure said to give and they somehow linked it ...
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Can't see my website after setting up CNAME pointing to Github Pages site

I have made a new website (www.codemuch.tech) using get.tech as a domain name provider. I made a CNAME record that pointed blog.codemuch.tech to my Github Pages site, ex0dus-0x.github.io. However, ...
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How do i find a list of cnames pointing to a specific address?

I'm running a security experiment and I need to identify domains that point to a particular subdomain. I was wondering if there's a way for me to find the cname's for all domains in a list somewhere? ...
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Point all subdomains to another subdomain except one

I am thinking of providing users their own personalized subdomain (e.g. johndoe.mydomain.com). I understand I can do this with a wildcard CNAME entry. The problem is that I have another subdomain that ...
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How to remove a CNAME record?

I use the hostname basic.localmachine.io for local development and it points to the localhost. For some reason, basic.localmachine.io has a CNAME set in my machine to basic.wpengine.com. I have no ...
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How to host Openshift Free Tier on <mydomain>.com and not <path>.mydomain.com

I have a Ghost Blog setup at blog-myaccount.rhcloud.com How do I make it available at mydomain.com CNAME cannot use mydomain.com and Redhat doesn't provide Nameservers or IP address.
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Is it possible to CNAME to a youtube profile?

Just wondering if there is a way to CNAME to a youtube profile? I've tried a CNAME to a subdomain that auto redirects to youtube, but that's not working (i know it's convoluted, unfortunately due to ...
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Creating multiple A-records from windows server via dynamic-dns

I have a windows server (2012 R2) joined to domain. Server has 2 NICs, each with different IP address. It is easy to create multiple static A-records on Domain Controller's DNS to give a name for ...
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4 votes
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Non-WWW site redirects to WWW explicitly?

I recently moved my NodeJS app to a new Openshift server. Visiting www.lsmsaSGO.com works as expected. Visiting lsmsaSGO.com seems to redirect explicitly to www.lsmsaSGO.com in the URL bar. I do not ...
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Error while visiting the site with www

I am getting a proxy error while visiting my site with www.fuitter.com. I recently added www to the cname in the route53.
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Resolving a Heroku App by Cascading two CNAMEs

I am cascading two CNAMEs, for various nefarious reasons, using AWS Route 53. I would be equally happy to use a Route 53 alias followed by an CNAME, but although both techniques appear to resolve ...
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Chrome browser history preventing url redirect

I changed my CNAME from domain.com to www.domain.com. I added a URL redirect that forwards domain.com to www.domain.com. I am facing an issue due to Chrome's browser history cache. If I visit domain....
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White Label nameservers running WHM/Cpanel DNS only with hostname alias

UPDATE 2/23/2016 I think my original question was confusing, so I am going to rephrase it: I have my own dedicated nameservers running cPanel DNS Only! I want to know how to give other people vanity ...
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Host different pages all together [duplicate]

Let's say I have got 5 websites in the different hostings each. I want to create a page for each of them but host them all together under a subdomain of ONE hosting, For example. www.site1.com -> At ...
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how to host multiple pages from diferent domains all together?

I create landing pages in order to launch PPC campaigns for my customers. However, I would like to host them all together under a sub-domain of MY website. For example: I want that someone who ...
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CNAME on root when all other records are deleted?

I have multiple domains that should point to the same server. I would prefer to use CNAME settings for the root domain. Now I read that this is not a good idea, because MX records cannot be handled ...
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change IP when a CNAME is used

I want to set 96.7.41.139 as IP address of download.microsoft.com I checked this post: https://serverfault.com/questions/452268/hosts-file-ignored-how-to-troubleshoot and set hosts as below. 96.7.41....
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Chrome ERR_NAME_NOT_RESOLVED

I registered a CNAME record from mydomain.futbol to a godaddy domain I can correctly ping the new address, the trace route reaches godaddy servers. I can not display the page on my browser, I get this ...
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