--- version: rssac002v3 service: i.root-servers.net start-period: '2017-09-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6361578321 dns-udp-queries-received-ipv6: 616943722 dns-tcp-queries-received-ipv4: 122817522 dns-tcp-queries-received-ipv6: 11333265 dns-udp-responses-sent-ipv4: 6319840327 dns-udp-responses-sent-ipv6: 613640331 dns-tcp-responses-sent-ipv4: 122682245 dns-tcp-responses-sent-ipv6: 11384258