A Top-Level Domain Name Registrar


Approval of new gTLD Domain Name Extensions is expected before the end of 2000.  Click here for more information

Domain Name

1418 South Third Street
Louisville, KY 40208-2177
(502) 635-7979
(800) 977-3475
(502) 636-9157 Fax

E-mail us at:

Computer Analytical Systems, Inc.

CAS-Com Internet Services .

Question from the CASDNS database of Frequently Asked Questions on Domain Name Registration. These pages are designed to assist our customers in the domain registration process.

"What are the guidelines for choosing a domain name?"

There are a few guidelines that need to be  followed when deciding on a domain name:

  • The entire domain name (the name and its  extension) cannot be more than 67 characters long.  That's 63 characters plus the .com (net or org).  The name must contain at least two characters, not including the extension.
  • The only characters that may be used in a  domain name are letters, numerals, dashes (-) and the period (.) between the name and its  extension.
  • A domain name cannot begin or end with a dash  (-)
  • There can be no blank spaces within the domain name
  • A name may be registered and used using any combination of upper and  lower-case letters. However, keep in mind that domain names are case-insensitive

It is most strongly advised not to try to register a domain name that contains a known trade-mark or copyrighted name or one that infringes on someone else's legal or intellectual rights.  The legal owner of a trademark has the right by law to demand the return of the name, and often does.  Also, names of some organizations or agencies, an example being the International Red Cross, are actually protected by law.

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Internet Council of RegistrarsCASDNS is a full service Top Level ICANN Accredited Domain Name Registrar.  We are proud to be a member of CORE, the Internet Council of Registrars

This site is hosted by our affiliate, CAS-COM Internet Services, Inc. Comments and suggestions regarding this site should be sent to .

For more information on computer services,  visit our Computer Analytical Systems, Inc., web site at

1997, 1998, 1999, 2000  All rights reserved, CASDNS, Inc., CAS-Com, Inc., Computer Analytical Systems, Inc., 1418 S. Third St., Louisville, KY, 40208-2117, USA.