--- version: rssac002v3 service: i.root-servers.net start-period: '2019-07-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 82703775 dns-udp-queries-received-ipv6: 19679632 dns-tcp-queries-received-ipv4: 1629537 dns-tcp-queries-received-ipv6: 44309 dns-udp-responses-sent-ipv4: 84569678 dns-udp-responses-sent-ipv6: 19679631 dns-tcp-responses-sent-ipv4: 1657737 dns-tcp-responses-sent-ipv6: 44347