WHOIS and Reverse DNS Lookup

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Select the lookup type (WHOIS or Reverse DNS) and enter the Domain name (e.g., ibm.com) or IP Address (e.g., 129.42.17.99) to check. If there is an error, make sure your entry is correct and/or try a different server, since a particular server may be down or slow at the moment.

First, Select Lookup Type and Server WHOIS lookup of domain name

   Server  or    Alternate WHOIS Server

Reverse DNS lookup of IP address

  Server

Second, Enter Domain Name or IP address to lookup

  Domain Name or IP