--- version: rssac002v3 service: i.root-servers.net start-period: '2017-09-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6677572253 dns-udp-queries-received-ipv6: 646398148 dns-tcp-queries-received-ipv4: 116822513 dns-tcp-queries-received-ipv6: 11816640 dns-udp-responses-sent-ipv4: 6689241528 dns-udp-responses-sent-ipv6: 641349049 dns-tcp-responses-sent-ipv4: 118001988 dns-tcp-responses-sent-ipv6: 12032445