--- version: rssac002v3 service: i.root-servers.net start-period: '2019-02-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6943770469 dns-udp-queries-received-ipv6: 1282651428 dns-tcp-queries-received-ipv4: 154757097 dns-tcp-queries-received-ipv6: 34174285 dns-udp-responses-sent-ipv4: 6838088656 dns-udp-responses-sent-ipv6: 1274707276 dns-tcp-responses-sent-ipv4: 142354724 dns-tcp-responses-sent-ipv6: 30954560