--- version: rssac002v3 service: i.root-servers.net start-period: '2017-01-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6558370076 dns-udp-queries-received-ipv6: 769545160 dns-tcp-queries-received-ipv4: 65686127 dns-tcp-queries-received-ipv6: 7019487 dns-udp-responses-sent-ipv4: 6613791666 dns-udp-responses-sent-ipv6: 769224548 dns-tcp-responses-sent-ipv4: 67649021 dns-tcp-responses-sent-ipv6: 7086937