DNS Statistics

Statistics concerning DNS queries on the authoritative name servers for the TLD .ch

SWITCH, in its role as registry, operates the authoritative name servers for the zone (TLD) .ch. To perform name resolution, these name servers provide information about which name servers are responsible for a specific .ch domain name.
More information on how DNS works
Collection of DNS-related articles on the SWITCH Security Blog

These statistics reflect DNS queries for the TLD .ch on two of our name servers: the authoritative name servers a.nic.ch and b.nic.ch. In other words, each represents only a part of total DNS traffic.

DNS queries: number per second

This chart shows the average number of DNS queries per second for a.nic.ch and b.nic.ch respectively. Clearly, there is less traffic on the weekends than during the week. In addition, a.nic.ch receives about 50% more queries than b.nic.ch. Read our blog article to find out more


How to use the interactive charts

Move your mouse over the charts to view more information.

The charts can be downloaded in various file formats; click on the button at the top right of each chart in order to do so.

You can zoom in on charts with a timeline by selecting an area with your mouse.

Some charts with timeline allow you to restrict the time period displayed, either by using the buttons above or the scroll bar below the chart.