--- version: rssac002v3 service: i.root-servers.net start-period: '2020-06-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6499772026 dns-udp-queries-received-ipv6: 1317724660 dns-tcp-queries-received-ipv4: 727383017 dns-tcp-queries-received-ipv6: 209278254 dns-udp-responses-sent-ipv4: 5238274896 dns-udp-responses-sent-ipv6: 1123373874 dns-tcp-responses-sent-ipv4: 619182298 dns-tcp-responses-sent-ipv6: 201263886