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.

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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-...
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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 ...
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Long TTL for cname, pointing to a dynamic A record? [duplicate]

I'm a bit unclear about how TTL for a CNAME record functions. Specifically whether it causes only the alias hostname to be cached, or whether it will cache the actual resolved IP address. Imagine a ...
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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 ...
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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....
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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 ...
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1answer
101 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 ...
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1answer
30 views

A CNAME with a wildcard embedded

I'm trying to set up a CNAME DNS entry: start.*.example.com That matches the following domain names: start.a.b.c.example.com start.a.example.com Is this possible? My current tests are failing with ...
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What is meant by collapse CNAME?

While I was working on a certain DNS traffic management tool (Akamai) I found a checkbox to enable Collapse CNAMEs. I did not find any useful resources on this topic. What does it mean and how it ...
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With a multi-tenant application, better alternative to chained CNAME?

Let's assume I have a multi-tenant webserver that runs an application for 500+ domains. I have an AWS Loadbalancer url, my_application.elb.eu-west-1.amazonaws.com, which have A and AAAA records to the ...
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Firebaes CNAME brought down website?

I am adding firebase authentication to a website, it was working well so I decided to get the domain verified to add some more functionality. On the firebase documentation, it says you need to add two ...
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SRV record not working properly?

I'm currently dealing with a little problem that routes back to me simply not having a static IP, as my ISP charges a ridiculous sum for that. I have a DDNS in place, which works fine. Except, I'm now ...
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is this possible to park a subdomain on the main domain?

is this possible to park a subdomain on the main domain without enabling wildcard subdomains? i want to make a mobile version for my site on a new subdomain but i want using the same code on my main ...
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Can't use GoDaddy domain to point to DigitalOcean App?

I'm having problems with pointing my domain to DigitalOcean app (DO Apps don't have external addresses disclosed). So let's say my domain is mydomain.com which I manage on GoDaddy. The IP of ...
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Add CNAME record to DNS when A-record exists?

We are administering the DNS zone for our customer, and they are in the process of making some change to.. whatever, doesn't matter. The consultant company doing the change for our client sent a ...
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Pointing domain to DigitalOcean App Platoform without changing MX records

I am using the newly created App Platform from Digital Ocean. I am trying to point my domain to the server that I created within Digital Ocean. I am told I need to add a CNAME to my domain (since DO ...
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Do CNAME mapping of my subdomain to Sendgrid for link branding using Amazon Cloudfront CDN

I want to have link branding with SSL on my domain example.com, so I created sub-domain abc.example.com, I want this abc.example.com to CNAME to sendgrid.net. I have done CNAME mapping but it seems ...
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CAA-record in combination with CNAME to third party

To make sure no certificates are created for my domain without my knowledge I've set up a CAA record that only allows my favorite CA party to create certificates. I'm monitoring every created ...
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What happens if i have both A record and CNAME record on my domain

Let's suppose i have a domain which DNS contains 2 records: a "A" record which contains an IP Address a "CNAME" record which contains another domain (alias). Let's suppose this ...
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Configuring DNS for new web host while keeping old mail server

I would very much appreciate your advice on the proper way to configure our DNS to move our website only from our current all-in-one provider to Bluehost. Our DNS is managed at Network Solutions. We ...
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1answer
313 views

Unable to Create Valid Subdomain on Google Domains

Hello all and thank you for your time. I have a domain that is managed my Google Domains. I Added a subdomain as per Googles Documentation Screengrab - Google Domain I have given it nearly 48 hours ...
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Would adding CNAME records in DNS server for setting up DKIM cause email server issues?

I want to add two CNAME records to make my Microsoft exchange be DKIM compliant according to Microsoft.com’s instructions. Is there any possibility adding the two CNAME records would cause disruptions ...
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Forwarding from A Record's IP Address

mycustomer.com has an A record with 11.11.11.11 IP. I am the owner of the 11.11.11.11. The server uses Windows DNS. When I create a forward zone with mycustomer.com and put an A record with the IP of ...
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Is there a way I can let users access my WebApp using a CNAMErecord on their primary domain?

I want a way of allowing users to access a whit-label version of my WebApp using a CNAME record allowing them to login to their app from a subdomain or domain they setup. e.g. app.mywebapp.com would ...
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CNAME in Domain Verification

I am trying to get a domain validated by a registrar for SSL purchase. Example - abc.example1.com Registrar asked to put a TXT record with a certain value. There is already a CNAME record for abc....
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Find out which GCP project is hosting which appengine or which GCS bucket

We have many projects inside our Organization GCP account. We have many legacy GCS buckets and many legacy AppEngines hosted inside our various projects. All these buckets and AppEngines are served ...
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CNAME with S3 buckets

I have a Web and I wanted to move its images to AWS S3. Say it's called mypage.com and I can access to an image like this: https://mypage.com/pics/one.jpg I created a bucket called static.mypage.com ...
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Cname entry for podcast.mydomain.com is resolving to the desired location cloud.podbean.com but ssl isn't working

I have a domain: mydomain.com. It is hosted in Cpanel/WHM and I installed a regular SSL certificate on the server (comodo SSL). I added a cname entry to point "podcast" to https://cloud....
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140 views

Unable to generate SSL certificate using letsencrypt

I am trying to generate an SSL certificate for a subdomain that was purchased using Wordpress. Both the domain and subdomain were purchased from Wordpress. For the subdomain created using Wordpress, I ...
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CNAME and masking

I need help with iis and CNAME if i have a website on my iis, lets say: store.domain.com and i want cname as follow: br.domain.com i need the br.domain.com to stay as the url but to show the store....
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Configuring www.domain.com and domain.com with zonefile or letsencrypt to always forward to domain.com

I have a example that should always result in https://example.com, even when the user is entering www.example.com, https or not. Ideally, the automated letsencrypt config https config file should work....
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How can I allow users to map their own domain to a subdomain on my Cloudfront site?

So I run a service where a user can create a site and they get their own subdomain. So if a user has site a-site-name their subdomain will be a-site-name.domain.com. Some of the users want to be able ...
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record DKIM on IONOS makes sense?

If I am sending mail through SMTP, I understand that it is IONOS who signs those emails, right? I would like to add the DKIM header to my emails. I know that it is necessary to publish a CNAME record ...
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dns configuration with multiple subdomains and servers?

Will below configuration allow me to use one domain name (example.com) to access two VPSes hosted with the same provider (prod and dev)? *.example.com IN A <vps prod IP> *.dev.example....
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Unable to use alias name with powershell

I have created an CNAME alias record (PublicShare) for one of our servers (KWT-SRV01) in Windows Server DNS. Unfortunately i am unable to use it in powershell "-path" attribute. For example, ...
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1answer
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Adding MailChimp CNAME records [closed]

MailChimp asked to authenticate our domain by adding CNAME records. So far, Mailchimp seems to have authenticated the records but when I do a NS query on the many NS checkers online, none of them ...
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How rewrite (most) subdomains in nginx to a virtual path for an API/proxy

I have a tenant setup where a unknown number of companies could create accounts, of the kind company.app.com. The backend server them as : 5000/company/...., so how do a rewrite (not a redirect!) in ...
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1answer
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Domain Double Pointing

I have one main domain basicdomain.com; About 100 domains's CNAME are pointing to that main domain. domain1.com, domain2.com, ... domain100.com All domains will show basicdomain.com contents. I am ...
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Can I use only A records, what do CNAME records bring to the table actually?

So I understand that A records point to an IP and CNAME records are just pointers to other A/CNAME records. What's the drawback of using only A records. Are CNAME records only for convenience and ...
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CNAME record resolution

I would like to understand how the process works for CNAME record resolution. Lets say I have a record on the DNS server NS1 proxy.example.com IN CNAME proxy.example1.com NS1 is not authoritative ...
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3answers
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Registering multiple web sites as subfolders in the same azure app service

I want to create multiple web sites to be hosted in the same App service (something like cms). So, I will have in my app multiple web sites in different locations: https://app_service/web/client1 ...
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1answer
44 views

How to re-route traffic for web server DR when we don't control the domain

I'm trying to figure out how I can set up a disaster recovery for clients that manage their own domains. I have a web server. For DR purposes, I want to replicate this server and when/if disaster ...
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1answer
985 views

How do I delete an incorrect cname record in Windows Server 2019?

So I mistakenly create a cname record in my Windows 2019 server. It is set in this naming context - server.company.local.company.local I know, silly mistake. It does not show up in DNS mmc but ...
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3answers
948 views

CNAME records don't show on dns lookup services for use with mailchimp

I'm trying to set up a mail service to handle communications with our customers. Part of the setup is to create CNAME and TXT records pointing to the mail service to avoid being delivered to spam ...
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CNAME from 1 subdomain to another subdomain

I have added a CNAME from order.checkoutchiangmai.com to restaurant1.acemsweb.com. The result I have is "Apache is functioning normally" when I open order.checkoutchiangmai.com. I am unsure why the ...
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Site is not reachable without www after DNS record edit

I have a freshly built site on Wordpress, everything was fine until I decided to add WWW before the site name. I did it in WP and it worked, but GTmetrix measured some loading delays due WP redirects. ...
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1answer
688 views

CNAME records pointing to SRV record

I have multiple services running that I'd like to access through one port. To make something like this work, I have a proxy server running that can redirect clients based on the url they connect with. ...
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2answers
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SRV record for subdomain: Do I also need a CNAME or A record for that same subdomain?

I have a service running on port xxxxx. I want to access that service through a subdomain (myspecialservice.mydomain.com). I know I need to create an SRV record that looks like _Service._Proto....
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2answers
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How to use CNAME to load webapplication

I've built an application and planning to host it at example.com I have about 10 customers who want the application to be hosted on their brand name (White labeled). Instead of deploying the same ...
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1answer
153 views

Azure Web App Internal/External Access - Split DNS

I recently deployed an Azure Web App and assigned custom domain and ssl cert. I added a CNAME DNS records to the external DNS registrar so now I can access the web app over the internet - webapp....

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