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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multilevel sub domain no control over root domain's provider

I have a multi tenancy requirement where I need to host couple of apps in my service cloud (AWS + lambda, EC2, S3). I have a couple of UI apps in Angular(hosted in AWS-S3) and an API in Node (AWS ...
Joy Biswas's user avatar
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Connection refused when generating a Let's Encrypt certificate for a subdomain

I'm trying to add a subdomain to my Let's Encrypt certificate but it's giving Connection refused. The command I ran was sudo certbot --expand -d sub.domain.com Certbot failed to authenticate some ...
kryz's user avatar
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CNAME does not resolve, dig shows correct target, target does resolve

I've setup a CNAME for foo.example.com (A) that points at foo.bar.example.com (B). B resolves when accessed directly, and nslookup and dig show the correct nameservers. I can ping it. A does not ...
Kyeotic's user avatar
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Resolve domain to subdomain

Want to resolve full domain name to a subdomain on a second domain: For instance, if I have this subdomain: subdomain.firstdomain.com Second domain: seconddomain.com I want seconddomain.com resolve ...
Nicoli's user avatar
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CNAME Record not working in local network

Situation: I got a server at home with NextCloud on Port 8080. With the MyFritz-adress (as DynDNS) and PortForwarding, I can reach NextCloud via pine64.XXXXXX.myfritz.net:8080. After some issues, I ...
PapierFlieger's user avatar
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(Sub)Domain pointing to MyFritz-Adress

Following situation: I got a server at home which runs a NextCloud Docker, which is reachable through Port 8080. Since I need to make it accessable for others (without VPN) and I got a DS-Lite + IPv6 ...
PapierFlieger's user avatar
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Is it possible to find destination content of a DNS record?

Suppose that there are below 2 records for domain example.com : Type Name Content (Destination) SubDomain URL A sub1 185.185.185.185 sub1.example.com CNAME sub2 xxx.another-example.com sub2.example....
AliM67's user avatar
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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. ...
Kenshie van Assche's user avatar
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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 ...
Vishal's user avatar
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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 ...
Sandwich247's user avatar
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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 ...
lustre's user avatar
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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.
244boy's user avatar
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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 ...
Camusensei's user avatar
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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....
Ivan Ferrer's user avatar
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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 ...
William's user avatar
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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,...
user374369's user avatar
3 votes
1 answer
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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 ...
davidgo's user avatar
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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 ...
Astrumas's user avatar
56 votes
7 answers
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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 ...
Sedky Abou-Shamalah's user avatar
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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 ...
Andre M's user avatar
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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 ...
s-n-2's user avatar
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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....
Master's user avatar
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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 ...
Pikestriker's user avatar
4 votes
1 answer
4k views

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 ([email protected]). They have an anchor page at www....
smilingfrog's user avatar
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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 ...
codeforester's user avatar
2 votes
1 answer
3k views

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/...
Dominick Pastore's user avatar
1 vote
1 answer
91 views

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 ...
Developer123's user avatar
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2 answers
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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: (...
Wolf's user avatar
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2 answers
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How to receive email from another domain using cname?

For example, I have an address [email protected]. I want to send email to this address and receive it on [email protected] or [email protected]. Is it possible to do this trick ...
trnj's user avatar
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2 votes
2 answers
810 views

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 ...
Ritardi.Net's user avatar
3 votes
1 answer
6k views

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 ...
ryans11's user avatar
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1 vote
1 answer
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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: ...
user4492719's user avatar
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1 answer
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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 ...
Joeyjofer's user avatar
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292 views

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 ...
Fraktar's user avatar
1 vote
1 answer
1k views

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 ...
Chickenmarkus's user avatar
3 votes
1 answer
6k views

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 ...
KMC's user avatar
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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 ...
Frank Martin's user avatar
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0 answers
343 views

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 ...
Dan Csharpster's user avatar
0 votes
1 answer
355 views

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, ...
alcao758's user avatar
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2 answers
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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? ...
Amin Shah Gilani's user avatar
1 vote
1 answer
2k views

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 ...
Bobo Filipino's user avatar
0 votes
0 answers
411 views

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 ...
Jiyda Moussa's user avatar
0 votes
1 answer
181 views

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.
Y2K's user avatar
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2 votes
0 answers
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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 ...
Andy Holmes's user avatar
1 vote
0 answers
590 views

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 ...
FlegmatoidZoid's user avatar
4 votes
2 answers
811 views

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 ...
Connorelsea's user avatar
0 votes
1 answer
32 views

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.
Raaz's user avatar
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1 vote
1 answer
739 views

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....
delisdeli's user avatar
  • 111
3 votes
2 answers
1k views

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 ...
Neo's user avatar
  • 256
1 vote
1 answer
35 views

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 ...
Ariel's user avatar
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