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ripe-661: ripe-342: DNS Monitoring Service for Infrastructure Domains TLD Administrators Service Description

This document obsoletes delete: <a data-linktype="internal" target="_self" title="" href="resolveuid/1ca06fdd6fd053fcb49c0654e3a79470" data-val="1ca06fdd6fd053fcb49c0654e3a79470" class="internal-link"> ripe-429 delete: </a> . delete: </p> delete: <p> Since 2004, delete: <a class="external-link" href="https://atlas.ripe.net/dnsmon/" target="_self" title=""> DNSMON delete: </a> has provided a comprehensive and independent overview of the quality of the service provided by infrastructure-level Domain Name System (DNS) servers. delete: </p> delete: <p> DNSMON is built on top of the delete: <a class="external-link" href="https://atlas.ripe.net" target="_self" title=""> RIPE Atlas service delete: </a> using delete: <a class="external-link" href="https://atlas.ripe.net/anchor" target="_self" title=""> RIPE Atlas anchors delete: </a> as vantage points for its measurements. Measurements are carried out by sending normal DNS queries to monitored servers at regular intervals. All results are available to the public. delete: </p> delete: <p> The RIPE NCC's DNSMON measurements benefit the entire Internet community by providing an objective and impartial global overview of TLD-level DNS operations. As part of this service, we monitor some interesting infrastructure domains, including the root and some ccTLD zones. The list of currently monitored domains is included in the delete: <a class="anchor-link" href="#appendix" target="_self" title=""> appendix delete: </a> . delete: </p> delete: <p> If requested by the zone operators, we will additionally configure monitoring for the DNS servers of: delete: </p> delete: <ul> delete: <li> ccTLDs and IDN ccTLDs from the RIPE NCC service region [ delete: <a class="anchor-link" href="#1" target="_self" title=""> 1 delete: </a> ] delete: </li> delete: <li> ccTLDs and IDN ccTLDs operated by RIPE NCC members [ delete: <a class="anchor-link" href="#2" target="_self" title=""> 2 delete: </a> ] delete: </li> delete: <li> Any Tier-1 ENUM domain (for example: 1.3.e164.arpa) delete: </li> delete: </ul> delete: <p> There is no additional cost to the domain owners for monitoring as part of the DNSMON service. delete: </p> delete: <div align="center"> delete: <hr align="center" size="2" width="100%" /> delete: </div> delete: <p> delete: <a name="1"> delete: </a> [1] We maintain a list of delete: <a href="http://www.iso.org/iso/country_codes/iso_3166_code_lists/country_names_and_code_elements.htm"> ISO 3166 delete: </a> defined country codes on our FTP Site. See: delete: <a href="https://www.ripe.net/participate/member-support/info/list-of-members/list-of-country-codes-and-rirs"> https://www.ripe.net/participate/member-support/info/list-of-members/list-of-country-codes-and-rirs delete: </a> . delete: <br /> For a list of defined IDN ccTLDs, see: delete: <a href="https://www.iana.org/domains/root/db"> https://www.iana.org/domains/root/db delete: </a> . delete: <br /> For an overview of countries in the RIPE service region, see: delete: <a href="https://www.ripe.net/participate/member-support/info/list-of-members"> https://www.ripe.net/participate/member-support/info/list-of-members delete: </a> . delete: <br /> delete: <a name="2"> delete: </a> [2] For a list of member organisations, see: delete: <a href="https://www.ripe.net/participate/member-support/info/list-of-members"> https://www.ripe.net/participate/member-support/info/list-of-members delete: </a> . delete: <br /> Information on how to become a member can be found here: delete: <a href="https://www.ripe.net/participate/member-support/become-a-member"> https://www.ripe.net/participate/member-support/become-a-member delete: </a> . delete: </p> delete: <hr /> delete: <h2> delete: <a name="appendix"> delete: </a> Appendix delete: </h2> delete: <p> . root delete: <br /> a.root-servers.net. delete: <br /> b.root-servers.net. delete: <br /> c.root-servers.net. delete: <br /> d.root-servers.net. delete: <br /> e.root-servers.net. delete: <br /> f.root-servers.net. delete: <br /> g.root-servers.net. delete: <br /> h.root-servers.net. delete: <br /> i.root-servers.net. delete: <br /> j.root-servers.net. delete: <br /> k.root-servers.net. delete: <br /> l.root-servers.net. delete: <br /> m.root-servers.net. delete: <br /> in-addr.arpa. delete: <br /> ip6.arpa. delete: <br /> com. delete: <br /> net. delete: <br /> org. delete: <br /> int. delete: <br /> e164.arpa. delete: <br /> 3.4.e164.arpa. delete: <br /> 4.4.e164.arpa. delete: <br /> 9.4.e164.arpa. delete: <br /> ao. delete: <br /> aq. delete: <br /> at. delete: <br /> au. delete: <br /> be. delete: <br /> ca. delete: <br /> cf. delete: <br /> ch. delete: <br /> cl. delete: <br /> срб. 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DNS Monitoring Service for Infrastructure Domains TLD Administrators Service Description
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