--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5274157258 dns-udp-queries-received-ipv6: 669631588 dns-tcp-queries-received-ipv4: 91712204 dns-tcp-queries-received-ipv6: 13283439 dns-udp-responses-sent-ipv4: 5345189236 dns-udp-responses-sent-ipv6: 703965522 dns-tcp-responses-sent-ipv4: 91758382 dns-tcp-responses-sent-ipv6: 13257431