The aim of DigiCert’s domain validation process is to ensure that the organization requesting a certificate does, in fact, have the authority to request a certificate for the domain in question.
Domain validation can include emails or phone calls to the contacts listed in a domain's WHOIS record, as well as emails to default administrative addresses at the domain. For example, we may send an authorization email to firstname.lastname@example.org or email@example.com, but would not send an authorization email to firstname.lastname@example.org. See Domain pre-validation: Domain control validation (DCV) Methods.
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