--- version: rssac002v3 service: i.root-servers.net start-period: '2018-09-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5025712067 dns-udp-queries-received-ipv6: 970513693 dns-tcp-queries-received-ipv4: 129954343 dns-tcp-queries-received-ipv6: 23398178 dns-udp-responses-sent-ipv4: 5031293870 dns-udp-responses-sent-ipv6: 970404468 dns-tcp-responses-sent-ipv4: 128028974 dns-tcp-responses-sent-ipv6: 23040312