--- version: rssac002v3 service: i.root-servers.net start-period: '2018-06-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5442599500 dns-udp-queries-received-ipv6: 960838022 dns-tcp-queries-received-ipv4: 125564117 dns-tcp-queries-received-ipv6: 19690256 dns-udp-responses-sent-ipv4: 5446462681 dns-udp-responses-sent-ipv6: 959158788 dns-tcp-responses-sent-ipv4: 122337110 dns-tcp-responses-sent-ipv6: 19525514