Define testdom for ook.space to test on windriver dns

Summary: Ref T1217

Test Plan:

• salt windriver state.sls roles/dns
• Set HE as secondary through their UI
• nslookup -type=A test1.testdom.ook.space windriver.nasqueron.org
• nslookup -type=A test1.testdom.ook.space ns2.he.net

Reviewers: dereckson

Reviewed By: dereckson

Maniphest Tasks: T1217

Differential Revision: https://devcentral.nasqueron.org/D3652