Knowledge Base

What Is a Subdomain and How Do You Create One?

A subdomain is a hostname created below the main domain, such as panel.example.com, blog.example.com or api.example.com.

Uses of Subdomains

When working with uses of subdomains, first identify the active registrar, authoritative DNS provider and hosting/server environment. Record the existing configuration before making changes, avoid deleting records used by live web or email services, and verify DNS resolution and the application separately after the change.

A or CNAME

When working with a or cname, first identify the active registrar, authoritative DNS provider and hosting/server environment. Record the existing configuration before making changes, avoid deleting records used by live web or email services, and verify DNS resolution and the application separately after the change.

Hosting Panel

When working with hosting panel, first identify the active registrar, authoritative DNS provider and hosting/server environment. Record the existing configuration before making changes, avoid deleting records used by live web or email services, and verify DNS resolution and the application separately after the change.

Point to Another Server

When working with point to another server, first identify the active registrar, authoritative DNS provider and hosting/server environment. Record the existing configuration before making changes, avoid deleting records used by live web or email services, and verify DNS resolution and the application separately after the change.

SSL

When working with ssl, first identify the active registrar, authoritative DNS provider and hosting/server environment. Record the existing configuration before making changes, avoid deleting records used by live web or email services, and verify DNS resolution and the application separately after the change.

Frequently Asked Questions

If a domain or DNS change is not visible immediately, check TTL and resolver caching. Transfer, renewal and lifecycle rules can vary by TLD, registry and registrar, so verify the provider's current policy before a critical operation.

Conclusion

Successful domain management requires registration data, DNS and hosting to remain consistent. When managing domains with İde Bilişim, document the current configuration before changes and verify web and email services afterward.