How to set up CDN for WordPress Cloud

1. Creating a WordPress Cloud machine for using CDN can be found at How to create a WordPress Cloud

And proceed to create SSL for the website that will be CDN on the WordPress Cloud machine first. You can see here how to create SSL.

• Press the Content Delivery Network menu, then select the Web CDN menu to create a CDN

Press the CREATE NEW WEB CDN DOMAINS button to create a CND for the Domain Name

Enter the domain name for which you want to create the CDN and the machine’s IP Address using the domain name (with www in front).

You can see the IP Address of the machine in the WordPress Cloud menu

Press the CREATE button for CDN.

The system will complete the creation of the CDN

Then press the MANAGE button to check the DNS settings.

Set DNS settings as indicated in the red box

Go to the DNS Management menu to set up DNS

Type the domain name you want to set and press Add

Press the del key to delete A Record of www before proceeding to add the CNAME Record

Enter Value as specified in item 8, then press Add (select CNAME Record as outlined in red).

And proceed to add A Record of domain.com to point to the WordPress Cloud machine.

The system has completed adding CNAME Record and A Record

Go to the DNS Management menu to set up DNS

Press the Edit button to change the TTL value

Enter the desired value between 180-300. This time period will be the one that will tell the ISP that the ISP’s DNS Server will update the new DNS values ​​to match the DNS Zone values ​​in our server every few seconds. Then press Edit

Login to the wp-admin page, find the menu called Settings.

Change the URL from domain.com to www.domain.com

Press Save Changes to save settings

Test by opening a Browser (Chorme) and pressing F12, then pressing Network. Do not select Disable cache. Click on www.domain.com and you will find that the CDN is already installed (the first time it will MISS before pressing F5).

Or test with the command curl -nvL www.bm.in.th (change to the customer’s Domain Name and type the command 2 times) found that the system has completed the CDN process

Credit :  วิธีตั้งค่า CDN สำหรับ WordPress Cloud – Bangmod Knowledge Base