--- version: rssac002v3 service: i.root-servers.net start-period: '2018-06-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4742402986 dns-udp-queries-received-ipv6: 988680635 dns-tcp-queries-received-ipv4: 118904922 dns-tcp-queries-received-ipv6: 19114981 dns-udp-responses-sent-ipv4: 4720110844 dns-udp-responses-sent-ipv6: 986570786 dns-tcp-responses-sent-ipv4: 113756695 dns-tcp-responses-sent-ipv6: 18911374