--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4901954796 dns-udp-queries-received-ipv6: 665685556 dns-tcp-queries-received-ipv4: 84907334 dns-tcp-queries-received-ipv6: 13464979 dns-udp-responses-sent-ipv4: 5004456460 dns-udp-responses-sent-ipv6: 659544282 dns-tcp-responses-sent-ipv4: 85328796 dns-tcp-responses-sent-ipv6: 13511559