--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5151757532 dns-udp-queries-received-ipv6: 514882793 dns-tcp-queries-received-ipv4: 253232300 dns-tcp-queries-received-ipv6: 18035574 dns-udp-responses-sent-ipv4: 4969340574 dns-udp-responses-sent-ipv6: 510536168 dns-tcp-responses-sent-ipv4: 204343291 dns-tcp-responses-sent-ipv6: 18113215