--- version: rssac002v3 service: i.root-servers.net start-period: '2019-11-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6168129584 dns-udp-queries-received-ipv6: 1020892980 dns-tcp-queries-received-ipv4: 728746887 dns-tcp-queries-received-ipv6: 157039120 dns-udp-responses-sent-ipv4: 5047322499 dns-udp-responses-sent-ipv6: 933204381 dns-tcp-responses-sent-ipv4: 653554699 dns-tcp-responses-sent-ipv6: 150360174