--- version: rssac002v4 service: d.root-servers.net start-period: 2021-01-15T00:00:00Z end-period: 2021-01-15T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 7039341412 dns-udp-queries-received-ipv6: 2146656452 dns-tcp-queries-received-ipv4: 221624385 dns-tcp-queries-received-ipv6: 118357334 dns-udp-responses-sent-ipv4: 7039089349 dns-udp-responses-sent-ipv6: 2146596504 dns-tcp-responses-sent-ipv4: 221111913 dns-tcp-responses-sent-ipv6: 118211163