Well while emailing the admins of all domains involved in a SPAM from
UMARK.COM I came across their ISP, NKN.NET. They also happen to have
registered NKN.EDU. How did this one get past the InterNIC?

Aleph One / aleph1@dfw.net
KeyID 1024/948FD6B5
Fingerprint EE C9 E8 AA CB AF 09 61 8C 39 EA 47 A8 6A B8 01