How is Dun & Bradstreet involved with my application?
Entrust may forward your Standard SSL Certificate or Entrust Certificate Management Service – Enhanced application to Dun and Bradstreet for verification. Dun and Bradstreet will follow the same verification process as Entrust Certificate Services, including business, domain ownership and employment verification. If Dun and Bradstreet does not have your organization already registered in their database, your organization will be called to gather the necessary information, typically:

  • Business Name
  • DBA Names or Tradestyles
  • Physical Address
  • Mailing Address
  • CEO Name and Title
  • Line of business
  • Number of employees
  • Year Started

Dun and Bradstreet will always contact the authorizing contact to verify the employment of the technical contact.

What is a Dun and Bradstreet D-U-N-S Number?
The Dun and Bradstreet D-U-N-S Number is a unique nine-digit identification sequence, which provides unique identifiers of single business entities, while linking corporate family structures together.Dun and Bradstreet links the D-U-N-S Numbers of parents, subsidiaries, headquarters and branches on more than 62 million corporate family members around the world.

Used by the world’s most influential standards-setting organizations, it is recognized, recommended and/or required by more than 50 global, industry and trade associations, including the United Nations, the US Federal Government, the Australian Government and the European Commission.

Will my order by processed if I do not have a D-U-N-S number?
You do not need to have a Dun and Bradstreet D-U-N-S Number to apply for an Entrust SSL Certificate. As part our verification process, a D-U-N-S Number will be created for you at no charge.

Please note: that if you already have a D-U-N-S Number, your verification time will be reduced.

Why is someone from Dun and Bradstreet contacting my organization contact?
Dun and Bradstreet will call the Authorizing Contact of your organization to verify the employment of your technical contact on behalf of Entrust.Dun and Bradstreet may call your organization during the verification process. Dun and Bradstreet may place a phone call to your main reception desk if more information about your organization is required.

How can I find out what my D-U-N-S Number is?
To look up your D-U-N-S Number, please use the following link

How are D-U-N-S Numbers assigned?
The D-U-N-S Number is owned and solely maintained by Dun & Bradstreet. When a business is first entered into the Dun and Bradstreet business information database, each business location that has its own unique, separate and distinct operation is assigned its own D-U-N-S Number.Separate D-U-N-S Numbers can be assigned to single locations, parents, subsidiaries, headquarters and branches. If a branch with unique operations operates in the same location as its headquarters, it will be assigned a unique D-U-N-S Number.

Every D-U-N-S Number has a built-in check digit to help ensure accuracy.

What are the common reasons for applications to fail?
The following details the most commons reasons applications fail the verification process:

  • The Domain Name for which you request a certificate is not registered under your company name, or the address is invalid.
  • The address in the certificate application is not a valid address for your business.
  • Your company does not have a phone number publicly registered at the address in your application.
  • Entrust or Dun & Bradstreet were not able to contact you by phone to verify the application information.

How do I contact Entrust for additional assistance?
If you have additional questions or require further information, please contact Entrust Certificate Services Support by calling 866-267-9297 (1-613-270-2680 outside of North America), Monday through Friday 8:00 AM to 8:00 PM Eastern Time or emailing us at