Deployed Web App only works with "www" Subdomain

Question

Deployed Web App only works with "www" Subdomain

Imoh S. Etuk 195

Hi,

I deployed a WordPress App Service on Azure and added a custom domain, but only the subdomain "www" is working while the main domain is throwing the dns_probe_finished_nxdomain error. The DNS records are properly configured.

Please, what could be the possible cause for this?

Andriy Bilous 12,096 Reputation points MVP

2023-08-31T20:57:42.2666667+00:00

Hello @Imoh S. Etuk
Ajay Kumar N 28,261 Reputation points Microsoft Employee Moderator

2023-09-01T06:24:01.22+00:00
Adding to Andriy's response.

To better assist you on the issue, could you please let us know:

Are you referring to any specific Azure doc for the steps?

Who is your DNS registrar/Domain provider?

Is this issue confined only to a few users accessing the WebApp or all the users?

I understand that you have mentioned ‘The DNS records are properly configured’, just to isolate, do you see the DNS records propagated via https://www.digwebinterface.com/ ?

If you haven’t tried these already, you may try the following:

Add a redirect rule to map 'mysite.com' to 'www.mysite.com' - please see this blog by Zain Rizvi for the detailed steps.

The problem was in the codebase, the user had the code in the global.asax.cs that was trying to force www. and this was causing the DNS error : https://stackoverflow.com/a/68484073/8194837

Kindly let us know, we will be happy to assist you further.
(I have also followed-up offline)

As the response from Andriy seems missing, I'm also following-up on it with our Q&A platform team.
Imoh S. Etuk 195 Reputation points

2023-09-01T09:54:59.8033333+00:00

Hi @ajkuma,

Thanks very much for your response. My domain registrar is domain.com. The problem affects all the users. I'll try out the steps you provided and revert with my response.
Ajay Kumar N 28,261 Reputation points Microsoft Employee Moderator

2023-09-03T04:23:34.83+00:00

Thanks for the follow-up and update. // We are following-up offline.

Answer accepted by question author

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Andriy Bilous 12,096 Reputation points MVP

2023-08-31T20:57:42.2666667+00:00

Hello @Imoh S. Etuk
Ajay Kumar N 28,261 Reputation points Microsoft Employee Moderator

2023-09-01T06:24:01.22+00:00

Adding to Andriy's response.

To better assist you on the issue, could you please let us know:

Are you referring to any specific Azure doc for the steps?

Who is your DNS registrar/Domain provider?

Is this issue confined only to a few users accessing the WebApp or all the users?

I understand that you have mentioned ‘The DNS records are properly configured’, just to isolate, do you see the DNS records propagated via https://www.digwebinterface.com/ ?

If you haven’t tried these already, you may try the following:

Add a redirect rule to map 'mysite.com' to 'www.mysite.com' - please see this blog by Zain Rizvi for the detailed steps.

The problem was in the codebase, the user had the code in the global.asax.cs that was trying to force www. and this was causing the DNS error : https://stackoverflow.com/a/68484073/8194837

Kindly let us know, we will be happy to assist you further.
(I have also followed-up offline)

As the response from Andriy seems missing, I'm also following-up on it with our Q&A platform team.
Imoh S. Etuk 195 Reputation points

2023-09-01T09:54:59.8033333+00:00

Hi @ajkuma,

Thanks very much for your response. My domain registrar is domain.com. The problem affects all the users. I'll try out the steps you provided and revert with my response.
Ajay Kumar N 28,261 Reputation points Microsoft Employee Moderator

2023-09-03T04:23:34.83+00:00

Thanks for the follow-up and update. // We are following-up offline.

Answer 1

Ajay Kumar N 28,261 Microsoft Employee Moderator

To benefit the community, sharing an update from our offline discussion, @Imoh S. Etuk

I see that the DNS propagation is completed on digwebinterface.

User's image

If you have further questions, please continue the discussion offline.

If the answer helped (pointed, you in the right direction) > please click Accept Answer.

Imoh S. Etuk 195 Reputation points

2023-09-05T09:19:27.4433333+00:00

Hi @AJKUMA, thanks very much. The issue is now resolved. I appreciate your follow-up.
Ajay Kumar N 28,261 Reputation points Microsoft Employee Moderator

2023-09-06T12:20:29.87+00:00

Glad to know that the issue is resolved. Thanks for the update and your collaboration!

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Deployed Web App only works with "www" Subdomain

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