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RIPE NCC DNS Monitoring Services

DNSMON provides a comprehensive, objective and up-to-date overview on the quality of service of the root servers, as well as of some participating country code Top Level Domains (ccTLDs).

Its main features are:

    • A high number of probes
    • Its method of presenting data.


        How To Use DNSMON

        You can use the drop-down menus at the top of the page, above the visualisation. If you want more detailed information, please see the user guide.


        How to Contact Us

        Please send your emails to <>.

        Visualisation of the Historic DNSMON Measurement Data

        The historic measurement data collected by the old DNSMON, based on TTM, is available for visualisation purposes until at least the end of 2014. Data collection was stopped for the old DNSMON on 1 July 2014.