Req: GET coap://[ff02::fe]/.well-known/core?rt=core.rd*

Res: 2.05 Content
Payload:
</rd>;rt=core.rd;ct=40,
</rd-lookup/res>;rt=core.rd-lookup-res;ct="40 65060 65050";obs,
</rd-lookup/ep>;rt=core.rd-lookup-ep;ct="40 65060 65050"