--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-13T00:00:00Z' end-period: '2019-01-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6091015362 dns-udp-queries-received-ipv6: 1540826285 dns-tcp-queries-received-ipv4: 191895361 dns-tcp-queries-received-ipv6: 108298678 dns-udp-responses-sent-ipv4: 6091007539 dns-udp-responses-sent-ipv6: 1540641600 dns-tcp-responses-sent-ipv4: 191207017 dns-tcp-responses-sent-ipv6: 108190806