--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4885988567 dns-udp-queries-received-ipv6: 586299457 dns-tcp-queries-received-ipv4: 262261573 dns-tcp-queries-received-ipv6: 18312320 dns-udp-responses-sent-ipv4: 4692206492 dns-udp-responses-sent-ipv6: 585053476 dns-tcp-responses-sent-ipv4: 195937569 dns-tcp-responses-sent-ipv6: 18290503