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Understanding the ITS DNS Naming Conventions

Number of views : 6
Article Number : KB0011255
Published on : 2017-01-31
Last modified : 2019-01-26 00:56:09
Knowledge Base : IT Public Self Help

ITS follows DNS naming conventions for all domain, net, gateway and host names:

  • Names must be a text string drawn from:

    • the alphabet (A-Z)

    • digits (0-9)

    • minus sign (-)

    • dot (period) (.)

  • Dots are allowed only to show domain hierarchy.

  • Names must be at least 2 characters long and preferably be no more than 14 characters long.

    • Single character names are not allowed.

    • UTnic will consider exceptions for names that are greater than 14 characters (up to 63 characters).

  • No blank or space characters are permitted as part of a name.

  • The first character should be an alpha character.

    • While RFC 1123 relaxed the RFC 952 restrictions to allow either a letter or a digit as the first character, UTnic prefers to follow its original naming conventions.
  • The last character must not be a minus sign or period.

  • Names are not case sensitive. No distinction is made between upper and lower case.

  • Only hosts which serve as GATEWAYs should have "-GATEWAY" or "-GW" as part of their names.

 

 

 

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