--- version: rssac002v3 service: i.root-servers.net start-period: '2018-09-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5760824190 dns-udp-queries-received-ipv6: 1077720347 dns-tcp-queries-received-ipv4: 140931463 dns-tcp-queries-received-ipv6: 26578777 dns-udp-responses-sent-ipv4: 5817456007 dns-udp-responses-sent-ipv6: 1079678261 dns-tcp-responses-sent-ipv4: 140130942 dns-tcp-responses-sent-ipv6: 26023902