As promised, here are the input and output strings for the Decode_DNS_Name(): Input:

00000000  20 46 45 45 46 45 4F 45 - 4F 45 46 46 44 46 44 45   FEEFEOEO
+EFFDFDE
00000010  46 45 46 43 41 43 41 43 - 41 43 41 43 41 43 41 42  FEFCACACA
+CACACAB
00000020  4D 00 00 20 00 01                                  M.. ..
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Notice the leading 0x20 - which indicates a length of 32 bytes, that translates into a space-padded 16 bytes below:

TENNESSEE
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Another example input:

0000000  20 46 48 46 48 45 43 45 - 42 45 44 45 4C 46 46 46   FHFHECEBE
+DELFFF
00000010  41 43 41 43 41 43 41 43 - 41 43 41 43 41 43 41 41  ACACACACA
+CACACAA
00000020  41 00 00 20 00 01                                  A.. ..
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Translates to "WWBACKUP".