How to add alias domain to cloudflare

[phanvietdung1910]

Hi, I am newbie. I just added my site on Cloudflare with main domain. Now I want to add my alias domain on Cloudflare, which mean if user click my alias domain, it will link to main domain site.
I follow the support A2hosting (where I bought hosting) and they said just no to do samething as I do with main domain. But it is not working. Do I need to wait 24 hours or add anything at main domain DNS? Please help me. Thank you so much.

[Withheld]

@phanvietdung1910

Now I want to add my alias domain on Cloudflare, which mean if user click my alias domain, it will link to main domain site.

So if both Domain A and Domain B are already on Cloudflare you’d simply create a page rule on Domain B to redirect your visitors on A. This would only take a minute or so.
If Domain B is not on Cloudflare, you’ll have to add it, create the new Page Rule and wait for propagation.

https://support.cloudflare.com/hc/en-us/articles/218411427

[phanvietdung1910]

Hi there, thanks for your help. So I just go to Domain B on Cloudflare and creat a Page Rule, choose the setting Forwarding URL 301, fill in Domain A then save and deploy. Did I do it right and how long we need to wait for it?

[Withheld]

Exactly. Changes should be seen immediately. If not, purge Cloudflare’s cache and your Browsers cache to make sure.

[phanvietdung1910]

It is not working. I did purge Cloudflare’s cache and browsers cache. On page it shows that can not find IP DNS_PROBE_FINISHED_NXDOMAIN

[Withheld]

@phanvietdung1910

DNS_PROBE_FINISHED_NXDOMAIN

This should help

Community Tip - Fixing the DNS PROBE FINISHED NXDOMAIN error

Error Try the suggestions in this Community Tip to help you fix DNS_PROBE_FINISHED_NXDOMAIN. Background NXDOMAIN stands for non-existent domain. When a domain cannot be resolved it is an issue with the DNS servers or the domain name is newly registered or not yet registered at all. NXDOMAIN can also take place due to network or DNS server problems. A response other than a valid IP address (e.g., timeout, SERVFAIL, NXDOMAIN or NOERROR) most likely points to the origin as the source of your iss…

This will test propagation

DNS Checker - DNS Check Propagation Tool

[phanvietdung1910]

I checked and it shows all resolve. There are few things make me confuse:
1/ In my hosting cPanel I add Domain B as alias domain
2/ When I add Domain B to Cloudflare, there is only one value in DNS: type TXT (Domain A has more like type A, CNAME, MX, SRV, TXT). I dont know if there are any problems with Domain B
Sorry because I have zero IT skills, just tell you what I see. By the way thank you very much for your help, I am very appreciated.

[Withheld]

Hey no need to apologize, we’re here to help As for the missing records, start by creating an A record for Domain B that points to the same IP as Domain A.

[phanvietdung1910]

Well it worked when I add IP pointing to Domain A. Thanks so much for your help.