--- version: rssac002v3 service: i.root-servers.net start-period: '2018-12-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5835418746 dns-udp-queries-received-ipv6: 1179572047 dns-tcp-queries-received-ipv4: 130630082 dns-tcp-queries-received-ipv6: 29281035 dns-udp-responses-sent-ipv4: 5762924169 dns-udp-responses-sent-ipv6: 1187743344 dns-tcp-responses-sent-ipv4: 128010069 dns-tcp-responses-sent-ipv6: 28394133