Aaron Phypers just got hit with some explosive claims from estranged wife Denise Richards — and TMZ’s got the exact moment he was served with a temporary domestic violence restraining order.

Catch the shots — Aaron was shirtless outside his Calabasas pad, mid-phone call, when someone rolled up and slapped him with the papers … and yeah, you can tell he was not ready for it.

Even after getting served, Aaron kept the phone glued to his ear … clearly trying to process the bombshell as he skimmed through the paperwork.

TMZ broke the story — Denise Richards filed for and snagged a temporary domestic violence restraining order against Aaron Wednesday … citing multiple alleged violent incidents and even claiming he threatened to kill her.

Denise also dropped photos of a black eye she claims Aaron gave her back in 2022 … saying he spiraled into paranoia over “listening devices” hidden in plants he’d bought — before allegedly striking her in the face with his palm.