--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5031842137 dns-udp-queries-received-ipv6: 697710247 dns-tcp-queries-received-ipv4: 98526376 dns-tcp-queries-received-ipv6: 13920687 dns-udp-responses-sent-ipv4: 5078387919 dns-udp-responses-sent-ipv6: 694355813 dns-tcp-responses-sent-ipv4: 99084613 dns-tcp-responses-sent-ipv6: 13976493