President Obama’s administration is at risk of relinquishing control of the Internet without conducting the testing necessary to ensure the successor model for managing the Internet will work, according to a group of Senate Republicans.

The current system underpinning Internet domain names has been managed by the Internet Corporation for Assigned Names and Numbers, under the auspices of an agency in the Commerce Department. Federal officials have mulled distancing itself from this system since 1997, but the process began in earnest after Edward Snowden’s National Security Agency leaks embarrassed the Obama administration and outraged foreign government leaders.