Yes, it is possible. Firstly, go to 'Manage Domain' in the web panel and click 'DNS' under the domain you want to change. Secondly, add three custom DNS records as follow.
ns1 CNAME ns1.dreamhost.com.
ns2 CNAME ns2.dreamhost.com.
ns3 CNAME ns3.dreamhost.com.
Thridly, wait a few hours before changing the nameserver of your domain to ns1.[your domain], ns2.[your domain] and ns3.[your domain] on the same page. Changes should be seen within 24 hours.
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