Skip to main content
OverflowAI is here! AI power for your Stack Overflow for Teams knowledge community. Learn more

Questions tagged [cname-record]

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.

Filter by
Sorted by
Tagged with
0 votes
3 answers
161 views

Why a CNAME cannot exist with other records that have the same name as the CNAME?

I have read various blogs that a CNAME cannot coexist with other records that have the same name as the CNAME record. I have not found a good example explaining the problem. Here is an example from ...
Alexander Ites's user avatar
-1 votes
1 answer
53 views

Getting different ip addresses for the same hostname

Why do I get different ip addresses for (what seems like) the same host, when resolving a CNAME and its corresponding A records? ❯ host www.github.com www.github.com is an alias for github.com. ** ...
Victor Bouhnik's user avatar
0 votes
2 answers
82 views

DNS not resolving after adding CAA record in Route 53

I have a domain, let's say sameer.com, managed in namecheap. And a domain, product.com, managed in AWS Route53. The following DNS records exist for sameer.com: CNAME quotes.sameer.com sameer.product....
sameer khalid's user avatar
0 votes
0 answers
284 views

Windows Server DNS, create CNAME for DNS ZONE www.bing.com

I am following this documentation which states: Prevent use of Copilot without commercial data protection: Update your DNS configuration by setting the DNS entry for www.bing.com to be a CNAME for ...
codechurn's user avatar
  • 123
1 vote
1 answer
320 views

What does it mean when CNAME record's value is itself?

I'm interested in learning more about the CNAME record's value when it's the same as itself and how it's stored in files. I've been through several CNAME tutorials and overviews, but I haven't found ...
learning2learn's user avatar
0 votes
1 answer
73 views

SSL-Your connection isn't private with CNAME

need your help and advise. I have a site https://mysaaswebsite.com and have enabled CNAME for my customers on cname.mysaaswebsite.com my customers add booking.customer.com cname to cname.mysaaswebsite....
Bala G's user avatar
  • 1
0 votes
1 answer
161 views

CNAME DNS delegation

Just want to confirm/correct my understanding of how CNAME delegation works if I have a CNAME cdn.example.com in my DNS that points to a third party CNAME cdn.thirdparty.com, can that third party ...
Ranjit Murali's user avatar
0 votes
1 answer
62 views

CDN CNAME resolves as the main host (how to restrict)

I recently created a CDN at StackPath. Everything works well, it serves files via a subdomain I created (cdn.mysite.com), which was created as a CNAME for the main site (CDN being the CNAME). However, ...
vexx's user avatar
  • 11
0 votes
2 answers
119 views

point CNAME Record to multiple wildcard A Records

I am trying to point my cname to my wildcard FQDN which has multiple A-Records. Dig Output: ;; QUESTION SECTION: ;access.domain.intra. IN A ;; ANSWER SECTION: access.domain.intra. 3600 IN ...
b24sti's user avatar
  • 3
0 votes
1 answer
557 views

Using CNAME to point to other website does not work

I have below domain name registered on Hostinger himanshupoddar.tech I added CNAME record to point my domain to another website "okcredit.com" But it does not work and I am still not being ...
Himanshuman's user avatar
0 votes
0 answers
306 views

SSL Certificate for host poiting to CNAME

Hi apologies if this has been asked before but i didn't find a clear cut example. Lets assume the following scenario, I've a third party server, "sub.example.com" that has a CNAME pointing ...
Yasmeen Ali's user avatar
0 votes
2 answers
82 views

Is it possible to have a capturing group in a cname wildcard expression?

I want to have a wildcard CNAME, but to capture the value of the wildcard: As an example, a record like this on d1.com: * CNAME $1.example.com Would create these mappings: a.s1.d1.com => a.s1....
zino's user avatar
  • 101
1 vote
0 answers
51 views

Changing hosting server to a website without having the certificate from the CA

I have been helping a friend who published a wordpress webpage developed by a company he contacted that on production has a really poor performance, to fix this I created a react static web page which ...
user14398375's user avatar
-1 votes
1 answer
99 views

Are sites normally hosted on www.example.com and example.com?

I don't like the idea of hosting on both example.com and www.example.com but I can't get my dns setup to redirect www.example.com to example.com. So what I have right now is both of them work and ...
user875234's user avatar
0 votes
2 answers
4k views

Accessing Windows file server by alias name

What could be the possible problems with accessing a Windows file server shares using a DNS CNAME instead of the actual computer name? The file server is joined to an Active Directory domain, but is ...
DavisNT's user avatar
  • 354
-1 votes
1 answer
177 views

How to point a domain to another e-mail domain? [closed]

I've got a domain in the format jason-bourne.com which I use for my e-mail address with a paid e-mail provider. Now, I'm considering to use a second domain in the format jasonbourne.com as an "...
Pixelcode's user avatar
  • 101
0 votes
1 answer
419 views

What are practical outcomes of adding a CNAME record to an apex? What breaks?

There's this canonical question, but it essentially comes down to "it's not allowed by the RFCs." I don't think that's helpful. What I'd like to know is what exactly breaks and how? Let's ...
x-yuri's user avatar
  • 2,308
-1 votes
1 answer
688 views

DNS Records - CNAME

Quite newbie, so sorry any unconnected data. I am creating a DKIM and SPF records to emulate DMARC as a workaround. An external vendor of us, want to send emails under our domain using a subdomain. I ...
Kenzo_Gilead's user avatar
0 votes
2 answers
649 views

Wildcard DNS entry is broken by more specific (but non-matching) DNS entry

I have the following DNS entries for the root domain example.com: * CNAME record pointing to foo.com dummy.api TXT record containing the value dummy When I try to resolve bla.foo.com then it ...
Alexander Overvoorde's user avatar
-1 votes
1 answer
75 views

Correct way to point a subdomain to another subdomain using CNAME record

Heyy, I have recently pointed subdomain A to subdomain B using a CNAME record. What bothers me is the browser's address bar, meaning when I visit subdomain A it then automatically shows the url of ...
WTellos's user avatar
0 votes
1 answer
425 views

How do I create CNAME records in AWS if the domain is hosted elsewhere?

I have a domain that is hosted from a provider other than AWS. I cannot input the CNAME entries that I need there because I'm using custom nameservers: ns-743.awsdns-28.net ns-1077.awsdns-06.org ns-...
Jared Carter's user avatar
1 vote
1 answer
130 views

How to point DNS CNAME to external GitHub Pages domain?

I have repository on GitHub with GitHub Pages set up. If I go to myusername.github.io/my-repo everything works correctly. But, I would like to have my own domain name that looks better than that one. ...
Vlad Mashkautsan's user avatar
0 votes
2 answers
2k views

How to configure CoreDNS to resolve CNAME records using foreign resolver

I am looking for an example configuration in which CoreDNS will read the CNAME record from the file (file plugin) and then resolve it using a custom resolver (forward plugin?). A client should not get ...
kinjelom's user avatar
  • 176
0 votes
1 answer
317 views

PTR registers for CNAMEs

In my bind9 DNS server, I have my servers described like this: [...] prd1frm201 IN A 172.21.10.2 dns IN CNAME prd1frm201.kprd1. ntp IN CNAME ...
Gilberto Martins's user avatar
-1 votes
1 answer
41 views

Simple IP/URL Redirection

We have a web application that each user has their own address like our-app.com/user1. Our users want to use their own domain and redirect to their pages on our app. For example www.user1.com => ...
jsonx's user avatar
  • 99
-1 votes
1 answer
1k views

Keep url in address bar with a proxy reverse on nginx

I have a web application where users can create their page. The web application will generate a URL like this for each page created : https://my-domain.com/page/12345. I would like to give my users ...
fraxool's user avatar
  • 99
1 vote
0 answers
113 views

Does CNAME mask subdomains?

Say I create the following records: ; zonefile for example.com www IN CNAME us-east-1.dynamic staging.www IN CNAME us-east-2.dynamic admin.www IN A 198....
JamesTheAwesomeDude's user avatar
1 vote
1 answer
1k views

Who manages sub-subdomains when you use a CNAME

This is the DNS configuration: blog.example.com CNAME example.host.com Then what happens if someone makes a DNS query about a sub-subdomain (e.g. sub.blog.example.com)? Is that DNS query redirected ...
collimarco's user avatar
0 votes
1 answer
510 views

AWS Elastic beanstalk cname with and without www

So, I've got a website running in Elastic beanstalk on AWS and I have a custom domain name which points to it, which is managed in Route 53. When I set up the custom domain initially, I just looked ...
haukurhaf's user avatar
  • 173
0 votes
1 answer
2k views

CNAME (pointing to the same server) asks for credentials

Let's say I have two Windows Servers: dc1 dc2 And I have a CNAME record: MyFileServer (pointing to dc2) If I from dc1 opens share \\MyFileServer\c$, then it works fine. If I from dc2 opens share \\...
MojoDK's user avatar
  • 529
0 votes
1 answer
275 views

DNS settings for web hosting without a subdomain (www)

I've been trying to find a more elegant solution to allow for better DNS updates for my webserver and the handful of websites that I host on it. So you have a webserver for example at a VPS provider ...
Tom Lovie's user avatar
0 votes
2 answers
844 views

Why does A record give SERVFAIL when CNAME record does not fail

If I run dig @ns5.laposte.net conversation.ees.labanquepostale.fr A I get a SERVFAIL, but if I run dig @ns5.laposte.net conversation.ees.labanquepostale.fr CNAME I got my CNAME: ;; ->>HEADER&...
vinz's user avatar
  • 89
0 votes
1 answer
176 views

What exactly does a URL redirect for @ do?

What exactly does a URL redirect for @ do? I am familiar with the terminology as seen here. [ sf ] However, I am trying to understand my DNS records and came across this line: URL Redirect Record | @ |...
favor's user avatar
  • 101
0 votes
1 answer
862 views

How to redirect an old subdomain with Route53

I've redirected an old subdomain blog.mysite.com to my homepage mysite.com with a CNAME record in Route53, but.... it doesn't work. I get no server response at all. Is there something I'm doing wrong? ...
Costa Michailidis's user avatar
-1 votes
1 answer
59 views

DNS propogation is not complete [closed]

I pointed my domain bought on reg.com to Hostinger 4 days ago. But my DNS propogation is still not completed. NS records have a few location to propgate, and Cname is not propogated at all. What ...
Anna's user avatar
  • 3
-2 votes
1 answer
58 views

Verifying my email provider seems to have broken my web site

I read that it would be desirable to "verify" my email provider (zoho), so according to their instructions I added the following records to my DNS (CNAME code altered slightly): CNAME ...
Tyler Durden's user avatar
3 votes
2 answers
5k views

Domain registrar allows @ CNAME for root domain, is this reliable?

Due to a gap in my knowledge I set up a Windows VM on Azure then I went to Namecheap and registered a domain. Somewhere I got the idea to put in a CNAME record against @ and the FQDN and it works. In ...
going's user avatar
  • 147
1 vote
1 answer
1k views

Replacing A record on apex domain to cname

We have our current corporate website hosted on traditional servers that we point to with an ip address. Our website is available at example.com and www.example.com and both domains have A records ...
Mathias Rönnlund's user avatar
1 vote
2 answers
2k views

Bind9 allow zones only as part of recursive resolution

In my cloud environment, I have a bind9 server functioning as a proxy for all outgoing DNS queries generated in the environment. I'm currently trying to configure Bind to perform the following ...
FitzChivalry's user avatar
0 votes
1 answer
2k views

DNS Records: One IP for Primary Domain and One IP for Multiple Subdomain

I'm using Cloudflare (no proxy) to manage DNS Records. I have two servers with IP: 128.xxx.xxx.xxx 174.xxx.xx.x And these are the DNS Records that I have created: Type Name Content A example.com ...
R.M. Reza's user avatar
  • 155
1 vote
1 answer
3k views

Best way to redirect root domain ("apex domain") to another location

This question is a continuation of Using Route53 to point apex/root domain to Heroku application Right now I have my domain abc.com registered with Route53. I am using a ddns service to point it to a ...
BobtheMagicMoose's user avatar
0 votes
1 answer
247 views

Forward DNS local to Jira URL

I want to redirect my old helpdesk domain Help.company.com to Jira URL ( Company.atlassian.net/Jira/Helpdesk), it's a simple forwarding and don't want to keep the old URL . I tried to do a CNAME but ...
Anis Heni's user avatar
1 vote
2 answers
3k views

Setting up custom domain for GCP load balancer

In this page I mentioned we need to point the A record to load balancer IP. My website domain.com already have landing page. I want to point api.domain.com to load balancer IP, but I can't set a ...
william007's user avatar
0 votes
2 answers
2k views

A CNAME pointing to 2 different A Records set up with Primary/Secondary Failover Routing?

Considering records like: host.example.com as a CNAME to: host01.example.com and host02.example.com (on two separate records). I want to set up those A records to be with a Failover routing policy. ...
Kahn's user avatar
  • 115
2 votes
1 answer
900 views

How does DNS TTL work in chained CNAME configurations?

I have a DNS config that looks something like this: www.example.com 600 IN CNAME prod.myzone.l2.company.example prod.myzone.l2.company.example 600 IN CNAME ssl-endpoint-...
Drew Shafer's user avatar
0 votes
1 answer
3k views

How to redirect forward from one subdomain to another subdomain with DNS?

I have several subdomains under an existing main domain, e.g.: eg.domain1.com ie.domain1.com The company is rebranding, and has setup a new main domain, under which all of these subdomains now need ...
Eric Belair's user avatar
0 votes
2 answers
935 views

How should I set my nginx configuration to use subdomains with CNAME host record?

running Debian 11. How should I add my subdomain to my site using my CNAME DNS records? My website directory is located at /var/www/ and I'm wondering if I can make a subdirectory for the subdomain ...
linux_corgi_man's user avatar
1 vote
2 answers
806 views

How to create SPF records for my subdomains pointing to services hosted on Azure

I have a webapp running on Azure and use Google Domains for the domain name (mywebapp.com) and DNS. Azure automatically generates URLs for different resources/services (e.g: https://black-cat-12345....
wertyq's user avatar
  • 113
0 votes
0 answers
76 views

Domain name does not work

I created an app with azure, a such link https://viva.azurewebsites.net I got in the end. After that I bought a domain name. The domain provider created a A-Record and CNAME-record, everything is well ...
Sonic's user avatar
  • 1
1 vote
1 answer
2k views

Redirect secure domain to another via CNAME and an Nginx Docker Container

Update: I have appended a 2nd attempt at the bottom of this post. It is "working," but I would like to make my original idea work. I am attempting to redirect an https request for a domain ...
DevOpsSauce's user avatar

1
2 3 4 5
15