SWITCH Security-Blog

SWITCH-CERT IT-Security Blog

Top 1000 .ch Domain Names

Since the beginning of July 2018 SWITCH publishes the top 1000 domain names of the Swiss TLD .ch. On the one hand we want to support open data in Switzerland and on the other hand we are keen on knowing how exactly domain names are being used in order to keep the .ch zone secure. Therefore we have decided to start publishing the top 1000 domain names relying on the information that can be extracted from the authoritative DNS traffic. Although there are already sources that publish a ranking of websites, such as the Top Alexa, the DNS based ranking will give a differing view on the .ch zone since not only the www usage is represented but all services that make use of DNS. Continue reading