Danlwd Fylm Zero Dark Thirty Ba Zyrnwys Chsbydh -

Given the symmetry, I’d guess the plaintext is: (or similar).

So: ? Redundant. Given typical internet cipher puzzles, it might be ROT-5 or a simple keyboard shift (each letter shifted to a neighbor on QWERTY). danlwd fylm Zero Dark Thirty ba zyrnwys chsbydh

ROT13 of "fylm": f→s, y→l, l→y, m→z → "slyz" — not English. Given the symmetry, I’d guess the plaintext is:

Let me break it down:

ROT13 of "danlwd": d→q a→n n→a l→y w→j d→q → "qnayjq" — not English. Given the symmetry