What is required for validation?


• A - Email Challenge-Response DCV
• B - HTTP Based DCV
Following completion of one of the elements above the certificate will be signed and released

Additional details can be found using the following URL:
Methods of Domain Control Verification

Note that ALL SSL Certificates MUST undergo the above DCV process in addition to any other requirements listed below for OV and EV certificates.


Step1 – Verify Identity and Address - This can be acquired using the following online resources:

If Applicant is an Organization (corporation, government agency, registered business entity, etc.):
We MUST verify Identity through one of the following (these may also be used to verify address if it's included):

A. A government agency in the jurisdiction of the Applicant’s legal creation, existence, or recognition;
B. A third party database that is periodically updated and considered a Reliable Data Source (see QIIS below);
C. A site visit by the CA or a third party who is acting as an agent for the CA; or
D. An Attestation Letter.

QIIS (Qualified Independent Information Source)

UK - http://www.companieshouse.gov.uk/

We MAY use the following to verify ADDRESS provided that identity has been verified as required above:

A. Articles of Incorporation (with address)
B. Government Issued Business License (with address)
C. Copy of a recent company bank statement (you may blacken out the Account Number)
D. Copy of a recent company phone bill
E. Copy of a recent major utility bill of the company (i.e. power bill, water bill, etc.) or current lease agreement for the company

If the Applicant is an Individual:
We MUST obtain ALL of the following:

A. Copy of a valid driver's license or passport of the Applicant
B. Copy of a recent major utility bill (i.e. power bill, water bill, etc.) or bank statement of the Applicant
Note: If the Driver’s License and Passport is not listing any address details or those details do not match with the account, then we need A. and 2 docs from B.

*Note:Recent=dated within the last 6 months

Step 2 – WhoIs Verification (Registrant company name and address)

Step 3 - DCV (Domain Control Validation)

Step 4 – Callback to a Verified Telephone Number (to verify applicant)

The phone number MUST be verified via one of the following:

A. Government database (QGIS)
B. Other third party database (QIIS)
C. Verified legal opinion or accountant letter.

Once the phone number is verified Comodo validation staff will call the Applicant to verify the authenticity of the certificate request. Following successful completion of the elements above the certificate will be signed and released.

* OV = Organization Validated SSL


ALL requirements for EV Certificates MUST be verified directly with the government registration authority, or a Qualified Independent Information Source, or via a legal opinion or accountant letter as applicable. The basic verification requirements are:

A. Verify Legal Existence and Identity
This entails verifying the organization registration directly with the incorporating or registration agency.

B. Verify Trade/Assumed Name as applicable.
Only applicable if company does business under a name which is different from the official name of their corporation. Trade name must be registered and verifiable.

C. Verify Operational Existence
This means that we must verify that the company is able to conduct business operations. Typically this means that the company has a current active demand deposit account with a regulated financial institution.

D. Verify Physical address and organization phone number

E. Verify Domain ownership

F. Verify the name, title, authority and signature of the person(s) involved in requesting the certificate and agreeing to the terms and conditions.

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