--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4422091840 dns-udp-queries-received-ipv6: 476654303 dns-tcp-queries-received-ipv4: 192747386 dns-tcp-queries-received-ipv6: 18208357 dns-udp-responses-sent-ipv4: 4319641348 dns-udp-responses-sent-ipv6: 474323597 dns-tcp-responses-sent-ipv4: 158413980 dns-tcp-responses-sent-ipv6: 18193883