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Domain Validated SSL Validation Process

A Domain Validated SSL is ubiquitous & easy to get SSL/TLS Certificate among the three different available types, which secures your website with https. Once you buy a Domain Validated SSL/TLS Certificate, you need to follow the below process to get your certificate from the Certificate Authority.

Domain Validation Process:

You can choose from 3 different methods, whichever you want, and it will take a few minutes to get your job done.

1. File-Based Verification: The certificate authority will provide you with an HTML file known as the Authentication File (auth file) including a specific content (Hashed Data). Once you upload that file on to your server directory and verify it, they will approve the Certificate issuance request.

2. CNAME-Based Authentication (For Comodo CA): Comodo gives two unique hash values (MD5 & SHA1). Enter it into your CNAME DNS record which should be in a format CNAME After its completion, Comodo will go through it and use it as a requirement of DV SSL Certificate process.

3. Email-Based Verification: It’s one of the most preferred ways to verify the domain identity. The CA (Certificate Authority), will send an email (should be same as shown in WHOIS Registrar Information) which will include a unique link and verification code. Once that email is verified, your SSL/TLS Certificate will be issued immediately.

Certificate authority may send email on any of following prefixes.


Whether it’s a wildcard SSL certificate, standard SSL certificate or a Multi-domain SSL certificate, the Domain validation policy will remain the same as we’ve mentioned above.

Note: Domain validation process may vary depending upon the Certificate Authority.

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