--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6886741187 dns-udp-queries-received-ipv6: 876831881 dns-tcp-queries-received-ipv4: 397971519 dns-tcp-queries-received-ipv6: 23070148 dns-udp-responses-sent-ipv4: 6569593883 dns-udp-responses-sent-ipv6: 873140410 dns-tcp-responses-sent-ipv4: 281894789 dns-tcp-responses-sent-ipv6: 22269950