The landing page for expertsexchange.com just says "Coming soon.", and if you view it with redirects turned on, you're sent to a page offering to sell it, owned by Venture.com.
# curl expertsexchange.com
<html><head><title>expertsexchange.com</title></head><body><h1>expertsexchange.com</h1><p>Coming soon.</p></body></html>
# dig +short expertsexchange.com | head -3 | paste -sd,
96.126.123.244,45.79.19.196,45.33.2.79
# dig +short experts-exchange.com | head -3 | paste -sd,
104.22.5.165,104.22.4.165,172.67.36.241
# whois experts-exchange.com | grep Registrar
Registrar WHOIS Server: whois.networksolutions.com
# whois expertsexchange.com | grep Registrar
Registrar WHOIS Server: whois.uniregistrar.com
https://web.archive.org/web/19990429180417/http://www.expert...
Edited to add: so the domain lapsed and then was reregistered later. If you click on any of the links in that archived page they are redirections to experts-exchange.com.