--- version: rssac002v3 service: i.root-servers.net start-period: '2019-05-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6859385777 dns-udp-queries-received-ipv6: 1328779695 dns-tcp-queries-received-ipv4: 118555211 dns-tcp-queries-received-ipv6: 28130805 dns-udp-responses-sent-ipv4: 6714840925 dns-udp-responses-sent-ipv6: 1330651992 dns-tcp-responses-sent-ipv4: 114580387 dns-tcp-responses-sent-ipv6: 27418986