--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6260506004 dns-udp-queries-received-ipv6: 745476882 dns-tcp-queries-received-ipv4: 126102717 dns-tcp-queries-received-ipv6: 13375366 dns-udp-responses-sent-ipv4: 6361510338 dns-udp-responses-sent-ipv6: 745393752 dns-tcp-responses-sent-ipv4: 124512479 dns-tcp-responses-sent-ipv6: 13408726