need to put at dns env for uptimer dns
need to put at dns env for uptimer dns

[#149451055](https://www.pivotaltracker.com/story/show/149451055)

Signed-off-by: Zachary Gershman <3025e35db44f20e0f186af1fead3044efb259b43@pivotal.io>

barthy1/bosh,barthy1/bosh,barthy1/bosh,barthy1/bosh