IP Mailer became ChkIP

ChkIP used to available under the name IP Mailer, but when the product was totally rewritten and re-designed in 2012 to be a product in the cloud, it was renamed as well. Welcome to the new and improved IP Mailer (originally launched in 2001).

IP Mailer Popularity

"IP Mailer 2004" stopped resolving external IP addreses on January 21st 2013. The IP Mailer Windows application, at the time it was disabled, resolved an external IP address for customers once every 2 seconds or less. The IP Mailer server received over 29 million requests for external IP address per year!