--- version: rssac002v3 service: i.root-servers.net start-period: '2017-06-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5198212492 dns-udp-queries-received-ipv6: 665357746 dns-tcp-queries-received-ipv4: 82851039 dns-tcp-queries-received-ipv6: 9215237 dns-udp-responses-sent-ipv4: 5185191102 dns-udp-responses-sent-ipv6: 665463286 dns-tcp-responses-sent-ipv4: 83567138 dns-tcp-responses-sent-ipv6: 9363131