--- version: rssac002v3 service: m.root-servers.net start-period: '2019-08-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4149644365 dns-udp-queries-received-ipv6: 910813809 dns-udp-responses-sent-ipv4: 3942053800 dns-udp-responses-sent-ipv6: 844443759 dns-tcp-queries-received-ipv4: 264751986 dns-tcp-queries-received-ipv6: 76133545 dns-tcp-responses-sent-ipv4: 264872121 dns-tcp-responses-sent-ipv6: 76228168