--- version: rssac002v3 service: m.root-servers.net start-period: '2019-03-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3065800988 dns-udp-queries-received-ipv6: 679833296 dns-udp-responses-sent-ipv4: 2948412771 dns-udp-responses-sent-ipv6: 639305961 dns-tcp-queries-received-ipv4: 151686166 dns-tcp-queries-received-ipv6: 45675777 dns-tcp-responses-sent-ipv4: 152026638 dns-tcp-responses-sent-ipv6: 45777928