Domain-validated certificate

A domain-validated certificate (DV) is an X.509 digital certificate typically used for Transport Layer Security (TLS) where the identity of the applicant has been validated by proving some control over a DNS domain.[1][2]

Issuing criteria

The sole criterion for a domain-validated certificate is proof of control over a domain. Typically control over a domain is determined using one of the following:

A domain-validated certificate is distinct from an Extended Validation Certificate in that this is the only requirement for issuing the certificate. In particular, domain-validated certificates do not assure that any particular legal entity is connected to the certificate, even if the domain name may imply a particular legal entity controls the domain.

User interface

Most web browsers may show a lock (often in grey, rather than the green lock typically used for an Extended Validation Certificate) and a DNS domain name. A legal entity is never displayed, as domain-validated certificates do not include a legal entity in their subject.

Mozilla Firefox historically showed domain validated certificates with a grey lock, but was modified to show a green lock for DV connections after Mozilla launched Let's Encrypt (which only provides domain-validated certificates).

Safari shows domain-validated certificates with a grey lock.

Microsoft Edge displays domain-validated certificates with a hollow grey lock.

Chrome and Chromium display a green lock when the site's certificate is valid and its identity has been verified by a trusted third party.

Characteristics

As the low assurance requirements allow domain-validated certificates to be issued quickly without requiring human intervention, domain-validated certificates have a number of unique characteristics:

References

  1. "Domain Validated SSL? Why We Don't Offer It". www.digicert.com. Retrieved 2015-09-07.
  2. "Domain Validated SSL Certificates". www.sslshopper.com. Retrieved 2015-09-07.
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