Narrow your search
See Web site information, search the whois database, look up domain and IP owner information.
Analyze Internet connection problems and locate IPs.
View domain name information.
Scan your network and diagnose network issues.
MS-DOS version of whois command
Find out any information about a host name, an IP address, or a domain.
Optimize hidden Windows settings to speed up Web surfing and downloads.
Whois lets you easily look up name servers and contact information for a domain. Simply enter the domain name, press query, and the correct whois...
Browse all information for an IP address or domain name with a single click.
Run Traceroute queries and get graphical results.
A lesson in why being a nerd is good if you're an aspiring member of the paparazzi -- and the Streisand effect.
A defect in Google's business software exposed e-mail addresses, mailing addresses and phone numbers of some users, making them potentially vulnerable to phishing schemes.
A new iOS game seems to be reviving the five-year-old Junko Junsui ARG that had apparently vanished from the web.
For unknown reasons, more than 3,000 hotel Web site listings on Google+ Local now point to third-party booking sites.
A group called KDMS Team claims credit for taking over the Web site of the popular messaging service, which is used to send billions of messages a day.
The domain taps into a nickname given to Microsoft's upcoming Xbox One, though at least one person doesn't like it.
The hacker group gets administrator privileges for Twitter's domain name record and also appears involved in a New York Times' Web site outage.
Japan has scooped the Guinness World Record for the world's largest theremin ensemble, with 272 instruments shaped like matryoshka dolls.
McAfee releases a report saying that the massive March attack on banks and TV stations was part of an extensive campaign to steal government and military secrets.
An online attack by a group called "Whois Team" downed servers at TV broadcasters and banks. Police are investigating the incident amid speculation North Korea may be involved.