ns2.nicusa.com has no DNS entries .
Related: ns3.nicusa.com www.mail1.nicusa.com com glns-4.cdc.nicusa.com www.ns2.nicusa.com ns2.nicusa.com mail.nicusa.com ns6.nicusa.com mail1.nicusa.com nicusa.com sa-inbound.nicusa.com mail2.nicusa.com
Explore by label: ns2 . nicusa . com
This top-level domain has no publically available whois server. Try going to www.nic.com.