--- version: rssac002v3 service: i.root-servers.net start-period: '2018-04-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5765927694 dns-udp-queries-received-ipv6: 650357050 dns-tcp-queries-received-ipv4: 144592937 dns-tcp-queries-received-ipv6: 19608778 dns-udp-responses-sent-ipv4: 5768609980 dns-udp-responses-sent-ipv6: 649816779 dns-tcp-responses-sent-ipv4: 142299693 dns-tcp-responses-sent-ipv6: 19608123