The following realms have been taken down for emergency maintenance due to a hardware issue. We have resolved the issue and are currently in the process of testing. We anticipate all of the below realms to be up and available in approximately 30 minutes.

Azjol-Nerub
Bloodscalp
Boulderfist
Bronzebeard
Crushridge
Daggerspine
Darkspear
Draenor
Dragonblight
Dunemaul
Feathermoon
Perenolde
Stonemaul
Stormscale
Suramar
Uldum