postmaster@idg.cz

Computerworld

As Domain Administrator of International Data Group, Inc. postmaster@idg.cz since January, 2013

Computerworld

As Domain Administrator of International Data Group, Inc. postmaster@idg.cz since February, 2013

PCWorld.cz | Novinky ze světa softwaru hardwaru a internetu

As Domain Administrator of International Data Group, Inc. postmaster@idg.cz since April, 2013

Computerworld

As Domain Administrator of International Data Group, Inc. postmaster@idg.cz since March, 2013

CIO Business World

As Domain Administrator of International Data Group, Inc. postmaster@idg.cz since April, 2011

ChannelWorld

As Domain Administrator of International Data Group, Inc. postmaster@idg.cz since January, 2013

Computerworld - Security World

As Domain Administrator of International Data Group, Inc. postmaster@idg.cz since January, 2013

Computerworld

As Domain Administrator of International Data Group, Inc. postmaster@idg.cz since October, 2015

Internet Info - Dáváme Internetu obsah

As Domain Administrator of International Data Group, Inc. postmaster@idg.cz since November, 2015

CIO Business World

As Domain Administrator of International Data Group, Inc. postmaster@idg.cz since December, 2016