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I want to issue SSL on a subdomain, is it possible?
I want to issue SSL on a subdomain, is it possible?
Rapyd Team avatar
Written by Rapyd Team
Updated over a week ago

Subdomains play a pivotal role in website organization and structure. Just as your primary domain requires security, so does your subdomain. This article sheds light on the feasibility of issuing an SSL certificate for a subdomain like and walks you through the process.

With the digital landscape's evolution, the importance of securing every website aspect, including subdomains, has become paramount. This piece offers a detailed exploration of obtaining SSL for subdomains, its significance, and the intricacies involved.

The Basics of Subdomain SSL:

SSL (Secure Sockets Layer) certificates for subdomains work similarly to main domains, encrypting the data traffic between the website server and the user's browser. Whether it's a primary domain or a subdomain, the need for SSL remains unchanged to ensure data protection.

Why Secure a Subdomain with SSL?

  • Data Protection: Subdomains often handle sensitive data. SSL ensures this data remains encrypted and safe from prying eyes.

  • Trustworthiness: Visitors feel more comfortable sharing information on a subdomain when they see the padlock symbol, indicating SSL protection.

  • SEO Advantages: Google and other search engines prioritize SSL-protected websites, including subdomains, for better rankings.

  • Uniform Security: For a consistent security approach, all parts of a website, including subdomains, should be equally protected.

Can You Issue SSL for Subdomain

Absolutely! Just like your main domain, subdomains can, and should, have their own SSL certificates. This ensures that any data, whether it's on the main domain or a subdomain, remains secure.

Steps to Obtain SSL for a Subdomain:

  • Choose an SSL Provider: There are numerous SSL providers. Select one based on your requirements and budget.

  • Generate a CSR: Before purchasing an SSL certificate, you need to generate a Certificate Signing Request (CSR) for your subdomain.

  • Purchase and Install: Once the CSR is generated, proceed to purchase the SSL certificate. Post-purchase, you'll receive certificate files, which you can then install on your hosting server.

  • Verify Installation: Ensure that the SSL is correctly installed by checking the padlock icon on your subdomain or using online SSL checker tools.

Potential Issues and Their Resolutions:

Sometimes, users might face issues during the SSL installation process. Common issues include:

  • Mismatched certificate names

  • Expired certificates

  • Incorrect certificate chains If you encounter these, double-check your installation steps or consult with your SSL provider for assistance.

Leveraging the Power of Wildcard SSL:

If you have multiple subdomains, consider opting for a Wildcard SSL certificate. This type of certificate allows you to secure your primary domain and an unlimited number of subdomains with a single certificate, making the process more efficient.


Securing your subdomain with an SSL certificate is not only possible but highly recommended. Just as the main domain handles sensitive data and requires protection, so do subdomains. By following the steps outlined above and understanding the importance of SSL for subdomains, you can ensure a consistent, secure online experience for your visitors.

Important Notes:

Regarding this to issue SSL on a subdomain It does not possible with our Hosting. Rapyd's commitment to excellence is reflected in its meticulous WordPress installation process. Users can confidently trust Rapyd for a seamless, clutter-free, and robust WordPress hosting experience.

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