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Dotted Hostnames

• The use of dots in the host-name portion of an FQDNÌýis not permitted. Using a dot in the host-name effectively fakes the zone, which can cause record duplication and other issues. (RFCÌý921)

DNS Sub-zone Guideline

• Definition:Ìý sub-zone and sub-domain can both refer to a container of records.Ìý For this document we will refer to them as sub-zones.

  This guideline pertains to the creation of sub-zones of uwaterloo.ca in DNS.

• IST is responsible for the creation/delegation of all records in Campus DNS
• The second level zoneÌýuwaterloo.caÌýis managed by IST
  • Sub-zones for individual applications is not permitted
  • Multi-use/multi-purpose/common sub-zones is permitted
  • Exception: Campus-wide initiatives, such as email, where RFC compliance requires it
• Each of the following groups can request one (1) sub-zone of uwaterloo.ca: (/faculties-academics)
  • A faculty
  • An official schoolÌý
  • An affiliated and federated institution of the University of À¶Ý®ÊÓƵ
  • Research centers and institutes
  • Research groups, as defined by the Senate Graduate & Research Council
  • Student Societies, as listed at:ÌýÌý
  • À¶Ý®ÊÓƵ Undergraduate Student Association
• The requested sub-zone is called a 3rd level zone. eg: .uwaterloo.ca
• 3rd level Zone names must be reasonable in nature
  • A unit must have a reasonable claim to the name being requested
  • The name should reflect the requesting unit
  • The name should not be a 'vanity' name
  • Name disputes will be subject to the recommendations of the Web Advisory Committee:Ìý/web-advisory-committee/projects/domain-name-resolution-subcommittee
• All units can request multiple sub-zones within their assigned 3rd level zone (eg. ..uwaterloo.ca)
  • Approval from the owner of the third-level zone is required
  • Clubs must be listed as an official club on the WUSAÌýclub listing or their respective Student Society homepage as defined atÌýÌýÌý
• Records associated with globally routable IP addresses will be contained in the "External" DNS view
• Records associated with locally scoped IP addresses will be contained in the "Internal" DNS view in a fourth-level zone (eg.Ìý..uwaterloo.ca)
• Sub-zones in the "Internal" DNS view must be unique from those in the "External" DNS view
• Creating CNAME records that cross between "External" and "Internal" DNS Views is prohibited

AdditionalÌýResourcesÌý

For additional information, please see:

• Network device naming standards
• Telecommunication room guidelines
• Management of campus domain names
• Domain name and IP management