--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5734099577 dns-udp-queries-received-ipv6: 974022002 dns-tcp-queries-received-ipv4: 141046669 dns-tcp-queries-received-ipv6: 20953236 dns-udp-responses-sent-ipv4: 5703252589 dns-udp-responses-sent-ipv6: 972729844 dns-tcp-responses-sent-ipv4: 138037285 dns-tcp-responses-sent-ipv6: 20753651