Not imaginative? Then Zeke's Clues may assist! Unsure, lad? With our patented Obscurity Clues, begin verifiably outwitting the great VIGENÈRE! My useful helper, Mr. Riddler, envisions heavenly light revealing clever elements in grabbers. For 6 Krones, cousin Kryptos has made plenty new devotees. But taste softly, victim, this advice: GO ACROSTIC. DOMAIN solves everything. Please review wise masters (xenophobic sociopaths) very selectively. Some KEYS percolate behind masks of kingly visages.

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Use Vignere cipher

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Acrostic (first letters of every word):
NiTZCmaUlWopOCbvotgVMuhMRehlrceigF6KcKhmpndBtsvtaGADsePrwm(xs)vsSKpbmokv
Acrostic (first word of every sentence):
NotThenUnsureWithMyForButPleaseSome
NTUWMFBPS

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Maybe we need to get lowercase letter then uppercase letter then uppercase,...

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Domain? Fully Qualified Domain? FQDN,DNS,URL? A link to some webpage? some image?

Not imaginative? Then Zeke's Clues may assist! Unsure, lad? With our patented Obscurity Clues, begin verifiably outwitting the great VIGENÈRE! My useful helper, Mr. Riddler, envisions heavenly light revealing clever elements in grabbers. For 6 Krones, cousin Kryptos has made plenty new devotees. But taste softly, victim, this advice: GO ACROSTIC. DOMAIN solves everything. Please review wise masters (xenophobic sociopaths) very selectively. Some KEYS percolate behind masks of kingly visages.

.

Use Vignere cipher

.

Acrostic (first letters of every word):
NiTZCmaUlWopOCbvotgVMuhMRehlrceigFKcKhmpndBtsvtaGADsePrwmxsvsSKpbmokv

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Using FQDN "httppuzzlingstackexchangecom" as key I get: "VcNPShaUxFcwHWcyzyeYUvvTWhwyzwyywAKcWqawgxCwdardOBRzjSgjurmliNKpnvcro"