--- version: rssac002v3 service: i.root-servers.net start-period: '2018-06-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5242765410 dns-udp-queries-received-ipv6: 975507288 dns-tcp-queries-received-ipv4: 115312526 dns-tcp-queries-received-ipv6: 16876430 dns-udp-responses-sent-ipv4: 5279900338 dns-udp-responses-sent-ipv6: 875890834 dns-tcp-responses-sent-ipv4: 111597579 dns-tcp-responses-sent-ipv6: 16780342