DomainTools is a one-stop shop for IP and DNS information, as well as historical records for domains and hosting. A weekend incident correlated existing accounts with data previously exposed in some of this years largest data breaches. Customers of DomainTools started receiving warnings Monday, which urged them to change their passwords. The company says the system being exploited has since been patched, and theyve added additional monitoring to prevent abuse. Amazon reset customer passwords as a precaution after they discovered customers recycling their credentials.”]