--- version: rssac002v3 service: i.root-servers.net start-period: '2017-06-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4869968576 dns-udp-queries-received-ipv6: 682657441 dns-tcp-queries-received-ipv4: 56225444 dns-tcp-queries-received-ipv6: 9345708 dns-udp-responses-sent-ipv4: 4865754337 dns-udp-responses-sent-ipv6: 682814643 dns-tcp-responses-sent-ipv4: 57448279 dns-tcp-responses-sent-ipv6: 9513068