--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6465500480 dns-udp-queries-received-ipv6: 742123069 dns-tcp-queries-received-ipv4: 68679741 dns-tcp-queries-received-ipv6: 7366422 dns-udp-responses-sent-ipv4: 6567901521 dns-udp-responses-sent-ipv6: 741314878 dns-tcp-responses-sent-ipv4: 70742294 dns-tcp-responses-sent-ipv6: 7470025