Managing Websites & Subdomains
This guide covers how to add, edit, and manage your websites and subdomains within Osto for comprehensive protection.
Adding a New Website
Navigate to Assets > Manage Websites.
Click Add a Website.
Enter your website’s root domain (e.g.,
example.com).Click Get to auto-fetch the Server IP address, or enter it manually.
Upload your SSL certificate for the domain.
Select the newly uploaded certificate from the dropdown list.
Click Save.
In your DNS provider's settings, update your domain's A record to point to the OSTO IP provided.
Set the TTL (Time to Live) to 600 seconds for faster propagation.
Adding a Subdomain
In the Manage Websites section, locate and select the parent domain.
Click Add Subdomain.
Enter the full subdomain (e.g.,
app.example.com).Click Get to auto-fetch the IP address, or enter it manually.
Upload and select the appropriate SSL certificate (wildcard or specific).
Click Save.
In your DNS provider's settings, update the subdomain's record to point to the OSTO IP.
Set the TTL to 600 seconds.
Editing or Deleting a Website/Subdomain
To Edit: Select the website or subdomain, modify the necessary details, and click Save.
To Delete: Select the website or subdomain and click Delete.
Important Note: A parent website cannot be deleted if it still has subdomains associated with it. You must delete all subdomains first.
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