--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-22T00:00:00Z' end-period: '2018-01-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3657474263 dns-udp-queries-received-ipv6: 537895632 dns-tcp-queries-received-ipv4: 77590506 dns-tcp-queries-received-ipv6: 13238036 dns-udp-responses-sent-ipv4: 3655683951 dns-udp-responses-sent-ipv6: 537653864 dns-tcp-responses-sent-ipv4: 77559023 dns-tcp-responses-sent-ipv6: 13236440