--- version: rssac002v3 service: i.root-servers.net start-period: '2017-01-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6376246151 dns-udp-queries-received-ipv6: 757849245 dns-tcp-queries-received-ipv4: 69895888 dns-tcp-queries-received-ipv6: 7502637 dns-udp-responses-sent-ipv4: 6443312804 dns-udp-responses-sent-ipv6: 757795051 dns-tcp-responses-sent-ipv4: 71589943 dns-tcp-responses-sent-ipv6: 7662873