CyberSearchNet goes back to at least 2005-08-24, acquired on 2009-02-18.
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EGEG
EGlassToys was another set of domains, both with and without a dash. Going back to at least 2006-01-20, and up to 2019-02-16.
ABCABC
Alabama Dildo Company (alabamadildocompany.com) was a possible econ site, started 2014-06-05, and set to expire on 2019-06-05.