--- version: rssac002v3 service: m.root-servers.net start-period: '2019-07-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3628692270 dns-udp-queries-received-ipv6: 847056136 dns-udp-responses-sent-ipv4: 3478707766 dns-udp-responses-sent-ipv6: 805841079 dns-tcp-queries-received-ipv4: 236824578 dns-tcp-queries-received-ipv6: 60729849 dns-tcp-responses-sent-ipv4: 237343561 dns-tcp-responses-sent-ipv6: 60816175