--- version: rssac002v3 service: m.root-servers.net start-period: '2020-03-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4227221584 dns-udp-queries-received-ipv6: 802385866 dns-udp-responses-sent-ipv4: 3920759268 dns-udp-responses-sent-ipv6: 756110137 dns-tcp-queries-received-ipv4: 226560453 dns-tcp-queries-received-ipv6: 85669496 dns-tcp-responses-sent-ipv4: 226834384 dns-tcp-responses-sent-ipv6: 85721623