The primary DNS suffix for Texas Tech University (TTU) is ttu.edu.

The primary DNS suffix for the Texas Tech University System (TTUS) is texastech.edu.

You may encounter the following fairly commonly, as many servers are managed by Telecommunications, TOSM, and Technology Support.

• net.ttu.edu (Telecom)
• tosm.ttu.edu (TOSM)
• itts.ttu.edu (Technology Support)