--- version: rssac002v3 service: i.root-servers.net start-period: '2019-06-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 84802553 dns-udp-queries-received-ipv6: 15176709 dns-tcp-queries-received-ipv4: 1837364 dns-tcp-queries-received-ipv6: 42180 dns-udp-responses-sent-ipv4: 85841302 dns-udp-responses-sent-ipv6: 15176698 dns-tcp-responses-sent-ipv4: 1867046 dns-tcp-responses-sent-ipv6: 42224