All Questions
Tagged with domain-name-system cname-record
495
questions
0
votes
1
answer
69
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 ...
0
votes
2
answers
68
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 ...
- 3
0
votes
1
answer
239
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 ...
- 113
0
votes
2
answers
66
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....
- 101
1
vote
0
answers
40
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 ...
- 11
-1
votes
1
answer
67
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 ...
- 115
-1
votes
1
answer
75
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 "...
- 101
0
votes
1
answer
225
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 ...
- 2,195
-1
votes
1
answer
252
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 ...
- 105
0
votes
2
answers
414
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 ...
0
votes
1
answer
214
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-...
- 11
1
vote
1
answer
107
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.
...
github
0
votes
2
answers
1k
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 ...
- 176
-1
votes
1
answer
40
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 => ...
- 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 ...
- 99
1
vote
0
answers
106
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....
1
vote
1
answer
933
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 ...
- 264
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 \\...
- 519
0
votes
1
answer
187
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 ...
0
votes
2
answers
686
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&...
- 89
0
votes
1
answer
129
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 | @ |...
- 101
-1
votes
1
answer
48
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 ...
- 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 ...
- 477
2
votes
2
answers
3k
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 ...
- 137
1
vote
1
answer
874
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 ...
- 205
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 ...
- 187
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
...
- 155
0
votes
1
answer
1k
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.
...
- 115
2
votes
1
answer
700
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-...
- 155
0
votes
1
answer
2k
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 ...
- 301
1
vote
2
answers
667
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....
- 113
0
votes
0
answers
59
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 ...
- 1
0
votes
1
answer
522
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 ...
- 103
0
votes
1
answer
266
views
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 ...
- 103
0
votes
2
answers
296
views
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 ...
- 1
1
vote
1
answer
2k
views
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 ...
- 21
1
vote
1
answer
877
views
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 ...
- 123
5
votes
2
answers
14k
views
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 ...
- 339
0
votes
1
answer
32
views
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 ...
- 1
-1
votes
1
answer
55
views
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 ...
- 131
0
votes
1
answer
158
views
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 ...
0
votes
0
answers
125
views
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....
- 349
0
votes
2
answers
698
views
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 ...
google-cloud-platform
9
votes
3
answers
4k
views
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 ...
- 235
0
votes
0
answers
301
views
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 ...
- 101
1
vote
1
answer
305
views
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,
...
- 63
-2
votes
1
answer
359
views
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 ...
- 53
-2
votes
1
answer
32
views
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 ...
- 109
0
votes
2
answers
193
views
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 ...
- 113
0
votes
1
answer
309
views
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 ...
- 341