--- version: rssac002v3 service: m.root-servers.net start-period: '2019-01-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3746530683 dns-udp-queries-received-ipv6: 699173051 dns-udp-responses-sent-ipv4: 3611567552 dns-udp-responses-sent-ipv6: 665347747 dns-tcp-queries-received-ipv4: 203872626 dns-tcp-queries-received-ipv6: 50699305 dns-tcp-responses-sent-ipv4: 203509515 dns-tcp-responses-sent-ipv6: 50868432