--- version: rssac002v3 service: i.root-servers.net start-period: '2017-01-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6386387209 dns-udp-queries-received-ipv6: 753889339 dns-tcp-queries-received-ipv4: 60922552 dns-tcp-queries-received-ipv6: 6802529 dns-udp-responses-sent-ipv4: 6374035208 dns-udp-responses-sent-ipv6: 752683803 dns-tcp-responses-sent-ipv4: 62626258 dns-tcp-responses-sent-ipv6: 6824682