--- version: rssac002v3 service: i.root-servers.net start-period: '2018-06-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5067819903 dns-udp-queries-received-ipv6: 1079403385 dns-tcp-queries-received-ipv4: 115714084 dns-tcp-queries-received-ipv6: 17292522 dns-udp-responses-sent-ipv4: 5162318327 dns-udp-responses-sent-ipv6: 929914165 dns-tcp-responses-sent-ipv4: 113439762 dns-tcp-responses-sent-ipv6: 17250774