--- version: rssac002v3 service: i.root-servers.net start-period: '2019-06-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 84618924 dns-udp-queries-received-ipv6: 15168883 dns-tcp-queries-received-ipv4: 1956974 dns-tcp-queries-received-ipv6: 41523 dns-udp-responses-sent-ipv4: 85320882 dns-udp-responses-sent-ipv6: 15168874 dns-tcp-responses-sent-ipv4: 1983545 dns-tcp-responses-sent-ipv6: 41577