--- version: rssac002v3 service: d.root-servers.net start-period: '2019-03-13T00:00:00Z' end-period: '2019-03-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8047735864 dns-udp-queries-received-ipv6: 1791725268 dns-tcp-queries-received-ipv4: 396127107 dns-tcp-queries-received-ipv6: 38483962 dns-udp-responses-sent-ipv4: 8042330547 dns-udp-responses-sent-ipv6: 1791634557 dns-tcp-responses-sent-ipv4: 395111415 dns-tcp-responses-sent-ipv6: 38455045