Author: Matt DiLallo, The Motley Fool

Its steadily-rising dividend is on rock-solid ground.

These companies have excellent records of growing their dividends.

In short, its dividend remains unsustainable.

Their high yields might not last much longer given that the Fed appears poised to start lowering rates — making high-quality REITs like this really smart investments right now.

Its big-time dividend is on an increasingly sustainable foundation.